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Journal articles on the topic 'Influenza type B'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Weisberg, Susan Shoshana. "Haemophilus Influenza Type b." Disease-a-Month 53, no. 9 (2007): 459–62. http://dx.doi.org/10.1016/j.disamonth.2007.09.007.

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2

Flandorfer, Astrid, Adolfo García-Sastre, Christopher F. Basler, and Peter Palese. "Chimeric Influenza A Viruses with a Functional Influenza B Virus Neuraminidase or Hemagglutinin." Journal of Virology 77, no. 17 (2003): 9116–23. http://dx.doi.org/10.1128/jvi.77.17.9116-9123.2003.

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ABSTRACT Reassortment of influenza A and B viruses has never been observed in vivo or in vitro. Using reverse genetics techniques, we generated recombinant influenza A/WSN/33 (WSN) viruses carrying the neuraminidase (NA) of influenza B virus. Chimeric viruses expressing the full-length influenza B/Yamagata/16/88 virus NA grew to titers similar to that of wild-type influenza WSN virus. Recombinant viruses in which the cytoplasmic tail or the cytoplasmic tail and the transmembrane domain of the type B NA were replaced with those of the type A NA were impaired in tissue culture. This finding corr

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3

Yan, Songkai, Derek Weycker, and Stefania Sokolowski. "US healthcare costs attributable to type A and type B influenza." Human Vaccines & Immunotherapeutics 13, no. 9 (2017): 2041–47. http://dx.doi.org/10.1080/21645515.2017.1345400.

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4

Sulawati, Ity, Amalia Setyati, A. Samik Wahab, and M. Juffrie. "Lateral-flow immunoassay as a diagnostic test for influenza type A and B in children." Paediatrica Indonesiana 48, no. 2 (2008): 104. http://dx.doi.org/10.14238/pi48.2.2008.104-9.

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Background The diagnosis of influenza remains difficult toestablish because of its similar symptoms to those of respiratoryinfection caused by other viruses. The “gold standard” for thediagnosis of influenza is viral culture, which takes time to gainthe result and is expensive as well. A simple, rapid, and easilyused tool for detection of influenza virus type A and B is needed.Objective To assess the accuracy of lateral-flow immunoassay withQuick Vue Influenza A+B ® in detecting influenza virus of typeA and B.Methods This was an observational study designed for diagnostictest. The subjects wer

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5

Cvetanovska, Zivadinka, та Vaso Taleski. "MICROBIOLOGICAL DIAGNOSIS AND IMPORTANCE OF INFECTIONS CAUSED BY INFLENZAE – А VIRUS". Teacher of the future 31, № 4 (2019): 1057–61. http://dx.doi.org/10.35120/kij31041057c.

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Influenza is one of the commonest acute viral respiratory infections with a great potential for spreading as an epidemic or pandemic appearance. Until 2009 relevant data about types and subtypes of influenza viruses circulated in Republic of Macedonia, did not exist. Since pandemic in 2009, molecular method RT-PCR was introduced real time detection of types and subtypes of influenza viruses, which enabled continuously and accurate follow up. Flu differ in types and subtypes presence in each new season, with great influence on number of patients and deaths caused by influenza viral infections.

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Hemphill, M. L., P. A. Rota, V. T. Ivanova, A. N. Slepushkin, and A. P. Kendal. "Antigenic and genetic analyses of influenza type B viruses isolated in Russia, 1987–91." Epidemiology and Infection 111, no. 3 (1993): 539–46. http://dx.doi.org/10.1017/s0950268800057265.

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SummaryFour influenza type B viruses isolated in Russia during periods of relatively low (1987–8) or high (1990–1) influenza B activity were characterized antigenically using a microneutralization assay. These isolates were antigenically similar to contemporary reference strains from either of two separate lineages represented by B/Victoria/2/87 and B/Yamagata/16/88. The evolutionary relationships of the variable portion of the haemagglutinin (HA1) genes of these viruses were determined by comparison with influenza B HA1 sequences previously obtained. The Isolate B/USSR/2/87, collected during

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Azad, T. Mokhtari, H. Mohammadi, A. Moosavi, Z. Saadatmand, and R. Nategh. "Influenza surveillance in the Islamic Republic of Iran from 1991 to 2001." Eastern Mediterranean Health Journal 10, no. 3 (2004): 315–21. http://dx.doi.org/10.26719/2004.10.3.315.

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Tobetter underst and the annual distribution of influenza virus in our country, we isolated and typed 45 viruses from 1043 patients with acute respiratory illnesses in a 10-year study conducted by the National Influenza Centre of the Islamic Republic of Iran. The seasonal distribution of influenza typically ran from November to April. Type A influenza was most common during the winters of 1991-92, 1997-98 and 2000-01 and type B influenza was most common during 1992-5 and 1996-97. Both type A and type B viruses circulated in 1995-96 and 1998-2000. A serological survey based on haemagglutination

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Danik Riawati, Titis Wahyuono, and Dewi Anggraini Kartika. "REAKSI DEMAM PASCA PEMBERIAN KEKEBALAN AKTIF BUATAN VAKSIN DPT, HEPATITIS B DAN HAEMOPHILUS INFLUENZA TYPE B PADA BAYI BALITA." Intan Husada Jurnal Ilmu Keperawatan 8, no. 1 (2020): 74–79. http://dx.doi.org/10.52236/ih.v8i1.178.

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Pendahuluan: Kekebalan aktif buatan dengan pemberian vaksinasi DPT Hepatitis B dan Haemophilus influenza type B dapat memberikan efek samping demam pada bayi balita dan perlu ditanggani sejak dini supaya cepat teratasi permasalahannya.Tujuan: penelitian ini bertujuan untuk mengetahui gambaran reaksi demam pasca pemberian kekebalan aktif buatan vaksin DPT Hepatitis B dan Haemophilus influenza type B pada bayi balita.Metode: Desain penelitian menggunakan observasional analitik. Tempat penelitian di Posyandu Melati Sabrang Lor pada bulan Desember 2019. Data diperoleh dari data primer dan sekunder

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9

Luo, M., W. G. Laver, and G. Air. "Unusual diffraction of type B influenza virus neuraminidase crystals." Acta Crystallographica Section A Foundations of Crystallography 48, no. 3 (1992): 263–66. http://dx.doi.org/10.1107/s0108767391012059.

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10

Ghate, Anita A., and Gillian M. Air. "Influenza Type B Neuraminidase Can Replace the Function of Type A Neuraminidase." Virology 264, no. 2 (1999): 265–77. http://dx.doi.org/10.1006/viro.1999.9936.

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11

OHMIT, SUZANNE E., and ARNOLD S. MONTO. "Influenza Vaccine Effectiveness in Preventing Hospitalization among the Elderly during Influenza Type A and Type B Seasons." International Journal of Epidemiology 24, no. 6 (1995): 1240–48. http://dx.doi.org/10.1093/ije/24.6.1240.

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12

Borchering, Rebecca K., Christian E. Gunning, Deven V. Gokhale, et al. "Anomalous influenza seasonality in the United States and the emergence of novel influenza B viruses." Proceedings of the National Academy of Sciences 118, no. 5 (2021): e2012327118. http://dx.doi.org/10.1073/pnas.2012327118.

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The 2019/2020 influenza season in the United States began earlier than any season since the 2009 H1N1 pandemic, with an increase in influenza-like illnesses observed as early as August. Also noteworthy was the numerical domination of influenza B cases early in this influenza season, in contrast to their typically later peak in the past. Here, we dissect the 2019/2020 influenza season not only with regard to its unusually early activity, but also with regard to the relative dynamics of type A and type B cases. We propose that the recent expansion of a novel influenza B/Victoria clade may be ass

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Horimoto, Taisuke, Ayato Takada, Kiyoko Iwatsuki-Horimoto, Masato Hatta, Hideo Goto, and Yoshihiro Kawaoka. "Generation of Influenza A Viruses with Chimeric (Type A/B) Hemagglutinins." Journal of Virology 77, no. 14 (2003): 8031–38. http://dx.doi.org/10.1128/jvi.77.14.8031-8038.2003.

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ABSTRACT To gain insight into the intertypic incompatibility between type A and B influenza viruses, we focused on the hemagglutinin (HA) gene, systematically studying the compatibility of chimeric (type A/B) HAs with a type A genetic background. An attempt to generate a reassortant containing an intact type B HA segment in a type A virus background by reverse genetics was unsuccessful despite transcription of the type B HA segment by the type A polymerase complex. Although a type A virus with a chimeric HA segment comprising the entire coding sequence of the type B HA flanked by the noncoding

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14

Suzuki, Ayako, Kenji Mizumoto, Andrei R. Akhmetzhanov, and Hiroshi Nishiura. "Interaction Among Influenza Viruses A/H1N1, A/H3N2, and B in Japan." International Journal of Environmental Research and Public Health 16, no. 21 (2019): 4179. http://dx.doi.org/10.3390/ijerph16214179.

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Seasonal influenza epidemics occur each winter season in temperate zones, involving up to 650,000 deaths each year globally. A published study demonstrated that the circulation of one influenza virus type during early influenza season in the United States interferes with the activity of other influenza virus types. However, this finding has yet to be validated in other settings. In the present work, we investigated the interaction among seasonal influenza viruses (A/H1N1, A/H3N2 and B) in Japan. Sentinel and virus surveillance data were used to estimate the type-specific incidence from 2010 to

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15

Narong, Nattapol, Siriwat Manajit, Sirikarn Athipanyasil, et al. "Prevalence of Influenza Virus Type and Subtype at Siriraj Hospital, Bangkok, Thailand During 2013 - 2017." Ramathibodi Medical Journal 43, no. 3 (2020): 1–7. http://dx.doi.org/10.33165/rmj.2020.43.3.241918.

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Background: Influenza A (pandemic and seasonal H1/H3) and influenza B viruses were the predominant circulating seasonal influenza strains. Following its massive outbreak in 2009 globally, including Thailand, influenza A (H1N1) pdm09 viruses have replaced the previous seasonal H1 strain and become one of the circulating strains ever since. Both influenza A and B viruses are highly contagious and potentially cause respiratory illness ranging from mild to severe. Objective: To determine the prevalence of types and subtypes of circulating influenza virus strains in Bangkok, Thailand during 2

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16

Nakajima, S., F. Nishikawa, K. Nakamura, and K. Nakajima. "Comparison of the HA genes of type B influenza viruses in herald waves and later epidemic seasons." Epidemiology and Infection 109, no. 3 (1992): 559–68. http://dx.doi.org/10.1017/s0950268800050548.

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SUMMARYFrom January 1985 to May 1991, herald strains of influenza B virus were isolated in 1987 and 1989 in Japan. In both cases, influenza epidemics caused by the same type followed in the next winter season. The HA gene sequences of the influenza B viruses isolated in Japan from 1987–91, which covers two herald waves of influenza B viruses, were analysed and located on the phylogenetic tree for influenza B viruses after the B/Singapore/64 strain. Co-circulation of at least two evolutionary lineages of the HA genes existed for influenza B viruses in Japan during the period of this study. The

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Sorokin, Evgeniy V., Tatyana R. Tsareva, Anna A. Sominina, Maria M. Pisareva, Andrey B. Komissarov, and Anna A. Kosheleva. "Influence of single amino acid substitutions in the hemagglutinin on the antigenic and receptor-binding properties of influenza virus B/Florida/04/2006 of Yamagata-like evolutionary lineage." Microbiology Independent Research Journal 3, no. 1 (2016): 56–60. https://doi.org/10.18527/2500-2236-2016-3-1-56-60.

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   Influenza A and B viruses use sialylated oligosaccharide chains expressed on the surface of a host cell as the cell entry receptors. The type of the bond between sialic acid (SA) and the neighboring galactose residue (Gal) is one of the main characteristics that define the type of receptor. Influenza viruses recognize SAα2-3Gal- or SAα2-6Gal-structures on the surface of the cells. Influenza A viruses of avian origin bind α2-3-sialylated glycans, while the human strains bind preferentially α2-6-sialylated ones. However, the receptor-binding specificity of in

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18

Hirano, Daisuke, Nobuko Ohshima, Ritsuko Kubota-Koketsu, et al. "Three Types of Broadly Reacting Antibodies against Influenza B Viruses Induced by Vaccination with Seasonal Influenza Viruses." Journal of Immunology Research 2018 (2018): 1–15. http://dx.doi.org/10.1155/2018/7251793.

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We analyzed the antibody (Ab) repertoire against influenza B viruses induced by vaccination with seasonal influenza viruses in one individual who had never been vaccinated until 2009. The vaccine used in this study comprised B/Massachusetts/2/2012 (Yamagata lineage), A/Texas/50/2012 (H3N2), and A/California/7/2009 (H1N1). One month after the subject received two vaccinations, blood (200 ml) was obtained and peripheral mononuclear cells were prepared, and a large Ab library was constructed using phage display technology. The library was screened with HA-enriched fraction of B/Massachusetts/2/20

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Pablo-Marcos, Daniel, Ana Rodríguez-Fernández, Mónica Gozalo, Jesús Agüero, Francisco Arnaiz de Las Revillas, and Jorge Calvo. "Description of Influenza B in seasonal epidemic in Cantabria during the beginning of the pandemia due to SARS-CoV-2." Revista Española de Quimioterapia 33, no. 6 (2020): 444–47. http://dx.doi.org/10.37201/req/077.2020.

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Introduction. Co-circulation of the two Influenza B lineages hinders forecast of strain to include in trivalent vaccine. Autonomous Communities such as Cantabria continue without supplying tetravalent vaccine. The aim of this study was to analyse epidemiological characteristics of influenza type B in Cantabria (2019-2020 season) as well as to establish the predominant lineage and its relation to the recommended vaccine. Methods. Retrospective study whereby flu diagnosis and lineage analysis were determined by RT-PCR. Results. All samples belonged to the Victoria lineage. Most prevalent viral c

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20

Serwint, Janet R. "Influenza Type A and B Infections in Hospitalized Pediatric Patients." American Journal of Diseases of Children 145, no. 6 (1991): 623. http://dx.doi.org/10.1001/archpedi.1991.02160060041017.

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21

Operti, Matteo, Anna Laccisaglia, Cristina Vassia, Licia Peruzzi, Alessandra Conio, and Antonia Versace. "Rabdomiolisi massiva da influenza B: quando i dolori muscolari non sono una "banale influenza"." Medico e Bambino Pagine elettroniche 28, no. 1 (2025): 16–17. https://doi.org/10.53126/mebxxviiig16.

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A 10-year-old girl with severe rhabdomyolysis linked to type B influenza showed rapid improvement without dialysis after being treated with hydration, albumin, diuretics, N-acetylcysteine and oseltamivir. This severe case highlights the potential myotropic nature of an influenza B strain during an outbreak in Northern Italy.

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22

MITAMURA, Keiko, Norio SUGAYA, Mari NIRASAWA, Masayoshi SHINJOH, and Yoshinao TAKEUCHI. "Effectiveness of Oseltamivir Treatment Against Influenza Type A and Type B Infection in Children." Journal of the Japanese Association for Infectious Diseases 76, no. 11 (2002): 946–52. http://dx.doi.org/10.11150/kansenshogakuzasshi1970.76.946.

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23

Black, Steven B., and Henry R. Shinefield. "EFFICACY OF HAEMOPHILUS INFLUENZA TYPE B (b-CAPSA 1) POLYSACCHARIDE VACCINE IN 87,541 CHILDREN." Pediatric Research 21, no. 4 (1987): 322A. http://dx.doi.org/10.1203/00006450-198704010-00928.

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24

Frederika, Edith, Aldise Mareta, Djoko Poetranto, et al. "IDENTIFICATION OF INFLUENZA VIRUSES IN HUMAN AND POULTRY IN THE AREA OF LARANGAN WET MARKET SIDOARJO-EAST JAVA, INDONESIA." Indonesian Journal of Tropical and Infectious Disease 4, no. 4 (2013): 30. http://dx.doi.org/10.20473/ijtid.v4i4.230.

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Background: Influenza is a viral infection that attacks the respiratory system (nose, throat, and lungs) that commonly known as “flu”. There are 3 types of influenza viruses, such as type A, type B, and type C. Influenza virus type A is the type of virus that can infect both human and animals, virus type B are normally found only in human, and Influenza virus type C can cause mild illness in human and not causing any epidemics or pandemics. Among these 3 types of influenza viruses, only influenza A viruses infect birds, particularly wild bird that are the natural host for all subtypes of influ

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Stepanova, Ekaterina, Elena Krutikova, Pei-Fong Wong, et al. "Safety, Immunogenicity, and Protective Efficacy of a Chimeric A/B Live Attenuated Influenza Vaccine in a Mouse Model." Microorganisms 9, no. 2 (2021): 259. http://dx.doi.org/10.3390/microorganisms9020259.

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Influenza A and B viruses cause significant morbidity and mortality worldwide. Current influenza vaccines are composed of three or four strains: A/H1N1, A/H3N2, and B (Victoria and Yamagata lineages). It is of great interest if immunization against both type A and B influenza viruses can be combined in a single vaccine strain, thus reducing the cost of vaccine production and the possibility of strain interference within the multicomponent vaccine. In the current study, we developed an experimental live cold-adapted influenza intertype reassortant (influenza A and B) vaccine on the live attenua

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Chapin, Kimberle C., and Estefany J. Flores-Cortez. "Performance of the Molecular Alere i Influenza A&B Test Compared to That of the Xpert Flu A/B Assay." Journal of Clinical Microbiology 53, no. 2 (2014): 706–9. http://dx.doi.org/10.1128/jcm.02783-14.

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Data on the performance of rapid molecular point-of-care use platforms for diagnosis of influenza are lacking. We validated nasopharyngeal (NP) flocked specimens in universal transport medium (UTM) and evaluated the clinical sensitivity and specificity of the Alere i influenza A&B test compared to those of the Xpert flu A/B assay. The Alere i influenza A&B test had an overall sensitivity and specificity of 93.8% and 62.5% for influenza A, respectively, and of 91.8% and 53.6% for influenza B, respectively. The poor specificity was due to influenza virus samples determined positive for b

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27

WARD, JOEL I., CLAIRE V. BROOME, LEE H. HARRISON, HENRY SHINEFIELD, and STEVEN BLACK. "Haemophilus influenzae Type b Vaccines: Lessons for the Future." Pediatrics 81, no. 6 (1988): 886–93. http://dx.doi.org/10.1542/peds.81.6.886.

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In recent months much controversy has focused on interpretations of new data concerning the safety and efficacy of Haemophilus influenzae type b vaccines.1-3 These controversies led the Infectious Disease Committee (Redbook Committee) of the Academy of Pediatrics (AAP) on Nov 13, 1987, to issue by telegram a change in recommendations for the H influenzae type b polysac-charide vaccine. Then, on Dec 22, 1987, the US Food and Drug Administration (FDA) licensed a new, more immunogenic, H influenzae type b conjugate vaccine (Prohibit-Connaught). The aim of this commentary is (1) to provide some ba

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Kashirina, O. S., and Y. M. Vasiliev. "Immunogenicity and Protective Effect of Live Cold-Adapted Vaccines against Influenza B after Intranasal Immunization of Mice." Epidemiology and Vaccine Prevention 14, no. 4 (2015): 80–85. http://dx.doi.org/10.31631/2073-3046-2015-14-4-80-85.

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Live attenuated («att») vaccines based on cold-adapted («ca») strains are a promising approach of influenza prophylaxis enhancement, however, effectiveness evaluation as well as interrelation with immunogenicity should be elucidated, especially for vaccines against type B influenza.Sterile, pure and concentrated viruses were prepared using a parent wild-type influenza type B and a live «ca» strain derived from the wild-type strain, and their biological activity and phenotype were fully characterized. Mice intranasally immunized twice with the live «ca» vaccines developed sterile immunity (wild

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Bianchi, Elisabetta, Xiaoping Liang, Paolo Ingallinella, et al. "Universal Influenza B Vaccine Based on the Maturational Cleavage Site of the Hemagglutinin Precursor." Journal of Virology 79, no. 12 (2005): 7380–88. http://dx.doi.org/10.1128/jvi.79.12.7380-7388.2005.

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ABSTRACT Conventional influenza vaccines can prevent infection, but their efficacy depends on the degree of antigenic “match” between the strains used for vaccine preparation and those circulating in the population. A universal influenza vaccine based on invariant regions of the virus, able to provide broadly cross-reactive protection, without requiring continuous manufacturing update, would solve a major medical need. Since the temporal and geographical dominance of the influenza virus type and/or subtype (A/H3, A/H1, or B) cannot yet be predicted, a universal vaccine, like the vaccines curre

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Desheva, Yu A., T. A. Smolonogina, E. M. Doroshenko, and L. G. Rudenko. "Development of the quadrivalent live attenuated influenza vaccine including two influenza B lineages – Victoria and Yamagata." Problems of Virology 61, no. 1 (2016): 16–20. http://dx.doi.org/10.18821/0507-4088-2016-61-1-16-20.

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This work is devoted to the research of the live attenuated influenza vaccine (LAIV) comprising two reassortant B/USSR/60/69-based vaccine influenza viruses Victoria and Yamagata. the intranasal immunization of the CBA mice with both victoria and yamagata strains induced 100% lung protection against the subsequent infection with the wild-type influenza B viruses of any antigen lineage. the quadrivalent LAIV (qLAIV) comprising both reassortant influenza B viruses Victoria and Yamagata were safe and areactogenic in adult volunteers. Following qLAIV administration the immune response was achieved

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Scott, Paul D., Bo Meng, Anthony C. Marriott, Andrew J. Easton, and Nigel J. Dimmock. "Defective interfering influenza A virus protects in vivo against disease caused by a heterologous influenza B virus." Journal of General Virology 92, no. 9 (2011): 2122–32. http://dx.doi.org/10.1099/vir.0.034132-0.

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Influenza A and B viruses are major human respiratory pathogens that contribute to the burden of seasonal influenza. They are both members of the family Orthomyxoviridae but do not interact genetically and are classified in different genera. Defective interfering (DI) influenza viruses have a major deletion of one or more of their eight genome segments, which renders them both non-infectious and able to interfere in cell culture with the production of infectious progeny by a genetically compatible, homologous virus. It has been shown previously that intranasal administration of a cloned DI inf

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Lukmanova, G. V., N. G. Klivleyeva, A. M. Baimukhametova, et al. "SENSITIVITY OF 2018 KAZAKHSTAN INFLUENZA TYPE B VIRUSES TO ANTIVIRAL DRUGS." Russian Journal of Infection and Immunity 8, no. 4 (2019): 531. http://dx.doi.org/10.15789/2220-7619-2018-4-3.31.

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Thi Kieu, Nguyen, Doan Huu Thien, Do Tuan Dat, et al. "Establishment of the national reference for heamophilus influenza type b vaccine." JOURNAL OF CONTROL VACCINES AND BIOLOGICALS, no. 1 (December 31, 2021): 56–65. http://dx.doi.org/10.56086/jcvb.vi1.5.

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Vietnam still lacks the national standard Hib vaccine to determine the content of Polyribosyl Ribitol Phosphate, an indicator to assess the protective ability of vaccines against the diseases caused by Heamophilus influenza type b (Hib) bacteria. National Institute for Control of Vaccines and Biologicals has developed the specifications of the national standard Hib vaccine, produced a candidate batch, calibrated the candidate to the international standards to determine its value. The results show that the candidate meets the requirements, has been recognized as a national reference standard, n

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34

Niwa, Akira. "Serological and clinical studies on an epidemic of influenza type B." Journal of Nippon Medical School 52, no. 2 (1985): 123–30. http://dx.doi.org/10.1272/jnms1923.52.123.

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35

Xu, Hong, Osamu Yasui, Hiroshi Tsuruoka, et al. "Isolation of Type B Influenza Virus from the Blood of Children." Clinical Infectious Diseases 27, no. 3 (1998): 654–55. http://dx.doi.org/10.1086/517146.

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Hayase, Yukiharu, Kiyotake Tobita, and Hiroyuki Sato. "Detection of type B influenza virus genes from biopsied gastric mucosa." Journal of Gastroenterology 37, no. 2 (2002): 101–5. http://dx.doi.org/10.1007/s005350200003.

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37

Lin, Yujuan, Ming Luo, W. Graeme Laver, Gillian M. Air, Craig D. Smith, and Robert G. Webster. "New crystalline forms of neuraminidase of type B human influenza virus." Journal of Molecular Biology 214, no. 3 (1990): 639–40. http://dx.doi.org/10.1016/0022-2836(90)90281-p.

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38

Hartley, A. Howland. "Haemophilus influenza type b: An important pathogen in children and adults." Pediatric Pulmonology 1, no. 5 (1985): 281–83. http://dx.doi.org/10.1002/ppul.1950010512.

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39

Pechirra, Pedro, Baltazar Nunes, Anabela Coelho, et al. "Molecular characterization of the HA gene of influenza type B viruses." Journal of Medical Virology 77, no. 4 (2005): 541–49. http://dx.doi.org/10.1002/jmv.20490.

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40

Shamenova, Mira Galautdinovna, Tatyana Ivanovna Glebova, Nailya Galiveyevna Klivleyeva, et al. "Serological studies of influenza infection among population in southern region of Kazakhstan during the 2018-2021 epidemic season." Journal of the Pakistan Medical Association 73, no. 4 (2023): 804–7. http://dx.doi.org/10.47391/jpma.6348.

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Objective: To conduct serological studies of influenza infection rate during an epidemic. Methods: The retrospective study was conducted at the Research and Production Centre for Microbiology and Virology, Almaty, Kazakhstan, and comprised data, including blood samples, from patients with symptoms of acute respiratory viral infection, bronchitis and pneumonia during 2018-21 from various healthcare institutions in the Almaty region. Serological tests on blood serums were carried out sing haem agglutination inhibition assay and enzyme-linked immunosorbent assay. Data was analysed using Graph Pad

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Campa, Annamaria, Manuela Quattrocchi, Marcello Guido, et al. "Ten-Year (1999–2009) Epidemiological and Virological Surveillance of Influenza in South Italy (Apulia)." Influenza Research and Treatment 2010 (June 22, 2010): 1–7. http://dx.doi.org/10.1155/2010/642492.

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Clinical and epidemiological surveillance of influenza and other Acute Respiratory Infections (ARI) are currently a major objective of Public Health. The aim was to describe the epidemiology of influenza using the Italian surveillance system. Vaccination Coverage (VC) rates were calculated during 1999-2009 influenza seasons. Molecular studies of influenza virus isolated, from patients with ILI, living in Apulia, are described. 1269 nasal-pharyngeal swabs were taken from patients with ILI and ARI in order to isolate and identify viruses using PCR. Influenza isolates are typed as being types A a

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Glebova, T. I., N. G. Klivleyeva, A. M. Baimukhametova, et al. "Circulation of influenza viruses in the epidemic season of 2018–2019 among people residing in Northern and Western Kazakhstan." Infekcionnye bolezni 19, no. 2 (2021): 70–75. http://dx.doi.org/10.20953/1729-9225-2021-2-70-75.

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Objective. Detection of influenza viruses among the population on the territory of the Northern and Western Kazakhstan during the 2018–2019 epidemic season. Patients and methods. The study involved 835 patients with ARVI symptoms. Biological samples were screened in real-time polymerase chain reaction (RT-PCR), hemagglutination inhibition (HAI) assay, and enzyme-linked immunosorbent assay (ELISA). Hemagglutinating agents were isolated in 9-10-day-old developing chicken embryos. Identification of isolates was carried out in RT-PCR and HAI assay. Results. 936 clinical samples (835 nasopharyngeal

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Butsashvili, Maia, George Kandelaki, Khatuna Zakhashvili, Ana Machablishvili, and Nata Avaliani. "Influenza-Associated Mortality in Georgia (2009–2011)." Influenza Research and Treatment 2012 (August 15, 2012): 1–3. http://dx.doi.org/10.1155/2012/480763.

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We analyzed data from NCDCPH Georgia where samples from outpatients with influenza-like illness (ILI) and inpatients with severe acute respiratory syndrome (SARI) are referred for testing on influenza virus using PCR analysis. During 2009-2010 and 2010-2011 influenza pandemics total number of the laboratory-confirmed influenza cases were 1286 with 33 deaths (all of them influenza type A) and 1203 (51.4% type A) with 44 deaths, respectively. At least one underlying medical condition was reported in 70.7% (for pandemic influenza strain) and 96% (for influenza type B) of deaths. Predominating pre

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Blair, Rebecca H., Erica D. Dawson, Amber W. Taylor, et al. "Clinical validation of the FluChip-8G Influenza A+B Assay for influenza type and subtype identification." Journal of Clinical Virology 118 (September 2019): 20–27. http://dx.doi.org/10.1016/j.jcv.2019.07.008.

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Hai, Rong, Luis Martínez-Sobrido, Kathryn A. Fraser, Juan Ayllon, Adolfo García-Sastre, and Peter Palese. "Influenza B Virus NS1-Truncated Mutants: Live-Attenuated Vaccine Approach." Journal of Virology 82, no. 21 (2008): 10580–90. http://dx.doi.org/10.1128/jvi.01213-08.

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ABSTRACT Type B influenza viruses can cause substantial morbidity and mortality in the population, and vaccination remains by far the best means of protection against infections with these viruses. Here, we report the construction of mutant influenza B viruses for potential use as improved live-virus vaccine candidates. Employing reverse genetics, we altered the NS1 gene, which encodes a type I interferon (IFN) antagonist. The resulting NS1 mutant viruses induced IFN and, as a consequence, were found to be attenuated in vitro and in vivo. The absence of pathogenicity of the NS1 mutants in both

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Yan, Han, Ling Lin, Jing Zhang, and Emmanuel Mignot. "0627 Influenza HA Antibody Titers in Recent Onset Type-1 Narcolepsy." SLEEP 47, Supplement_1 (2024): A268. http://dx.doi.org/10.1093/sleep/zsae067.0627.

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Abstract Introduction Epidemiological studies have shown associations between pandemic H1N1 2009 Influenza-A infection and vaccination (only using Pandemrix®) and the onset of narcolepsy, an autoimmune disease associated with HLA-DQB1*0602. We tested whether recent onset type 1 narcolepsy patients have increased influenza antibody titers comparing with matched HLA-DQB1*0602 positive controls. Methods Sera of 82 recent onset type-1 narcolepsy patients (12 [1-25] months) and 84 healthy controls matched by sex, age, and year and season of sample collection were used. Sera were tested for Influenz

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Fielding, James E., Emma R. Miller, Josie Adams, Bronwyn Hawking, Kristina Grant, and Heath A. Kelly. "Influenza surveillance in Victoria, 2006." Communicable Diseases Intelligence 31 (March 1, 2007): 100–106. https://doi.org/10.33321/cdi.2007.31.5.

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The Victorian influenza season in 2006 remained within normal seasonal activity thresholds and was relatively mild compared with recent years. The season peaked in mid-August, with influenza-like illness (ILI) rates from general practitioner sentinel surveillance and the Melbourne Medical Locum Service (MMLS), and cases of laboratory-confirmed influenza notified to the Department of Human Services, reaching their zeniths within one week of each other. A total of 74 general practitioners (GPs) participated in the sentinel surveillance in 2006, reporting a total of 136,732 consultations during t

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Schwahn, Alexander B., and Kevin M. Downard. "Proteotyping to establish the lineage of type A H1N1 and type B human influenza virus." Journal of Virological Methods 171, no. 1 (2011): 117–22. http://dx.doi.org/10.1016/j.jviromet.2010.10.011.

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Li, He, Wei Dong, Jing Wang, et al. "The global epidemic trend analysis of influenza type B drug resistance sites from 2006 to 2018." Journal of Infection in Developing Countries 17, no. 06 (2023): 868–73. http://dx.doi.org/10.3855/jidc.17410.

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Introduction: Influenza is a severe respiratory viral infection that causes significant morbidity and mortality, due to annual epidemics and unpredictable pandemics. With the extensive use of neuraminidase inhibitor (NAI) drugs, the influenza B virus has carried different drug-resistant mutations. Thus, this study aimed to analyze the prevalence of drug-resistant mutations of the influenza B virus. Methodology: Near full-length sequences of the neuraminidase (NA) region of all influenza B viruses from January 1, 2006, to December 31, 2018, were downloaded from public databases GISAID and NCBI.

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Woods, Anne, Fanny Monneaux, Pauline Soulas-Sprauel, et al. "Influenza Virus-Induced Type I Interferon Leads to Polyclonal B-Cell Activation but Does Not Break Down B-Cell Tolerance." Journal of Virology 81, no. 22 (2007): 12525–34. http://dx.doi.org/10.1128/jvi.00839-07.

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ABSTRACT The link between infection and autoimmunity is not yet well understood. This study was designed to evaluate if an acute viral infection known to induce type I interferon production, like influenza, can by itself be responsible for the breakdown of immune tolerance and for autoimmunity. We first tested the effects of influenza virus on B cells in vitro. We then infected different transgenic mice expressing human rheumatoid factors (RF) in the absence or in the constitutive presence of the autoantigen (human immunoglobulin G [IgG]) and young lupus-prone mice [(NZB × NZW)F1] with influen

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