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Journal articles on the topic 'Asymptomatic carrier'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

C. Ekezie, Joy, and Tanya Rogo. "Covid Reinfection versus Asymptomatic Carrier State: A Case Report." New Medical Innovations and Research 2, no. 5 (2021): 01–03. http://dx.doi.org/10.31579/2767-7370/023.

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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), first discovered in China in December 2019, has been implicated in the current coronavirus disease 2019 (COVID-19) pandemic. Although much has been learned about the virus which peaked with the development of the vaccine, there is still a lot of unanswered questions. Maximum duration of positive SARS-CoV-2 real-time reverse transcriptase polymerase chain reaction (RT-PCR) from symptom onset may be up to 3 months [1], however it is not known if the continued detection of the viral genome implies prolonged infectivity or presence of a

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2

Zar, Fred A. "Asymptomatic carrier state for cryptosporidium." American Journal of Medicine 89, no. 4 (1990): 545. http://dx.doi.org/10.1016/0002-9343(90)90399-x.

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3

Silva, AE, ML Ferraz, CA Pereira, et al. "Is the asymptomatic HBsAg carrier really “healthy”?" Journal of Hepatology 13 (January 1991): S172. http://dx.doi.org/10.1016/0168-8278(91)91659-5.

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4

Najem, G. R., and A. J. Sulzer. "Transfusion-Induced Malaria from an Asymptomatic Carrier." Transfusion 16, no. 5 (2003): 473–76. http://dx.doi.org/10.1046/j.1537-2995.1976.16577039306.x.

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Bai, Yan, Lingsheng Yao, Tao Wei, et al. "Presumed Asymptomatic Carrier Transmission of COVID-19." JAMA 323, no. 14 (2020): 1406. http://dx.doi.org/10.1001/jama.2020.2565.

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6

Vashist, YogeshKumar, Yogender Malik, Kulwant Singh, et al. "COVID-19: Asymptomatic carrier : An autopsy case report." International Journal of Applied and Basic Medical Research 11, no. 2 (2021): 120. http://dx.doi.org/10.4103/ijabmr.ijabmr_579_20.

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7

SODEYAMA, Takeshi, Yoshihiro AKAHANE, Kendo KIYOSAWA, et al. "The prognosis of biopsy-proven asymptomatic HBsAg carrier." Kanzo 26, no. 1 (1985): 11–19. http://dx.doi.org/10.2957/kanzo.26.11.

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8

Almeida, Diogo Fraxino de, Cláudio Mentor Couto Melo Jr, and Paulo Rogério M. de Bittencourt. "Duchenne gene carrier as cause of asymptomatic hyperckemia." Arquivos de Neuro-Psiquiatria 66, no. 2b (2008): 425–27. http://dx.doi.org/10.1590/s0004-282x2008000300032.

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9

Luo, Si-Hui, Wei Liu, Zhen-Jun Liu, et al. "A confirmed asymptomatic carrier of 2019 novel coronavirus." Chinese Medical Journal 133, no. 9 (2020): 1123–25. http://dx.doi.org/10.1097/cm9.0000000000000798.

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10

Kalula, Asha S., Eunice Mureithi, Theresia Marijani, and Isambi Mbalawata. "An Age-Structured Model for Transmission Dynamics of Malaria with Infected Immigrants and Asymptomatic Carriers." Tanzania Journal of Science 47, no. 3 (2021): 953–68. http://dx.doi.org/10.4314/tjs.v47i3.7.

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An age-structured (children and adults) model for the transmission dynamics of malaria with asymptomatic carriers and infected immigrants has been analyzed. We first analyze a model without infected immigrants. It shows that the disease-free equilibrium exists and is stable when and unstable for . Also, we compute the sensitivity indices of the basic reproduction number. The basic reproduction number is most sensitive to the mosquito biting rate. Besides, the sensitivity of the basic reproduction number shows that the children's class parameters are more sensitive than those of adults. In the

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11

Tung-Chen, Yale, Berta Alonso-González, and Isabel Arroyo-Rico. "Lung ultrasonography unmasking the asymptomatic SARS-CoV-2 carrier." Medicina Clínica (English Edition) 156, no. 4 (2021): 196–97. http://dx.doi.org/10.1016/j.medcle.2020.11.004.

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12

HOSONO, Yoshiki, Tomohiko FURUTA, Takashi SUHARA, Atsushi MATSUO, Ikuhide KUWABARA, and Takamasa HIRAOKA. "A CASE OF AN ASYMPTOMATIC SALMONELLA CARRIER PERFORMED CHOLECYSTECTOMY." Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) 66, no. 1 (2005): 165–68. http://dx.doi.org/10.3919/jjsa.66.165.

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13

Lucifora, Giovanna, Santina Calabro, Giuseppe Carroccio, and Amalia Brigandi. "Immunocytochemical HBsAg evidence in placentas of asymptomatic carrier mothers." American Journal of Obstetrics and Gynecology 159, no. 4 (1988): 839–42. http://dx.doi.org/10.1016/s0002-9378(88)80149-2.

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14

Zancan, L., M. Chiaramonte, N. Ferrarese, and F. Zacchello. "Pediatric HBsAg Chronic Liver Disease and Adult Asymptomatic Carrier Status." Journal of Pediatric Gastroenterology and Nutrition 11, no. 3 (1990): 380–84. http://dx.doi.org/10.1002/j.1536-4801.1990.tb10130.x.

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SummaryUnlike adults (>60% of cases), it is rare to find the chronic hepatitis B virus (HBV) carrier status with normal transaminases among children. The aim of this study was to investigate whether this status would depend on the duration of HBV infection, that is, whether chronic hepatitis in childhood would lead to the asymptomatic carrier status in later life. We reexamined all of our patients with chronic HBV infection of >10 years' duration and with histologically documented chronic hepatitis during childhood. This was a group of 36 adolescents and young adults. All subjects were s

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15

Futai, Kazuyoshi, and Yuko Takeuchi. "Asymptomatic carrier trees in pine stands naturally infected with Bursaphelenchus xylophilus." Nematology 9, no. 2 (2007): 243–50. http://dx.doi.org/10.1163/156854107780739027.

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AbstractA rapid and accurate diagnostic method is needed to detect asymptomatic carrier trees to assist in exterminating pine wilt disease caused by the pathogenic pine wood nematode (PWN), Bursaphelenchus xylophilus. We extracted DNA by the CTAB method from pine trees located in two natural stands, a Japanese black pine stand and a Japanese red pine stand, known to be infected with PWN, and detected the PWN by the nested-PCR method. Many trees of both pine species harboured PWN, although some of them had no external and/or internal symptoms such as yellowing of needles and disrupted resin exu

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16

Biswal, Jitendra K., Antonello Di Nardo, Geraldine Taylor, David J. Paton, and Satya Parida. "Development and Validation of a Mucosal Antibody (IgA) Test to Identify Persistent Infection with Foot-and-Mouth Disease Virus." Viruses 13, no. 5 (2021): 814. http://dx.doi.org/10.3390/v13050814.

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It is well known that approximately 50% of cattle infected with foot-and-mouth disease (FMD) virus (FMDV) may become asymptomatic carrier (persistently infected) animals. Although transmission of FMDV from carrier cattle to naïve cattle has not been demonstrated experimentally, circumstantial evidence from field studies has linked FMDV-carrier cattle to cause subsequent outbreaks. Therefore, the asymptomatic carrier state complicates the control and eradication of FMD. Current serological diagnosis using tests for antibodies to the viral non-structural proteins (NSP-ELISA) are not sensitive en

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17

Frider, Bernardo. "Treatment of liver hydatidosis: How to treat an asymptomatic carrier?" World Journal of Gastroenterology 16, no. 33 (2010): 4123. http://dx.doi.org/10.3748/wjg.v16.i33.4123.

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18

Rahman, Md Mokhlesur, Mizanur Rahman, Niamul Gani Chowdhury, et al. "Long-term Follow-up Study of Asymptomatic HBsAg-Positive Carrier." Euroasian Journal of Hepato-Gastroenterology 2, no. 2 (2012): 76–78. http://dx.doi.org/10.5005/jp-journals-10018-1038.

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19

Zancan, L., M. Chiaramonte, N. Ferrarese, and F. Zacchello. "Pediatric HBsAg Chronic Liver Disease and Adult Asymptomatic Carrier Status." Journal of Pediatric Gastroenterology and Nutrition 11, no. 3 (1990): 380–84. http://dx.doi.org/10.1097/00005176-199010000-00017.

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20

Winikoff, Rochelle, and Christine Lee. "Hemophilia Carrier Status and Counseling the Symptomatic and Asymptomatic Adolescent." Journal of Pediatric and Adolescent Gynecology 23, no. 6 (2010): S43—S47. http://dx.doi.org/10.1016/j.jpag.2010.08.010.

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21

Forcén, Sara, Ane Miren Crespo Cuevas, Iban Aldecoa, et al. "Overlapping neuropathological findings in an asymptomatic SPAST gene mutation carrier." Clinical Neuropathology 39, no. 07 (2020): 162–66. http://dx.doi.org/10.5414/np301239.

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22

Yu, Xuejing, Dongchuan Ran, Jinhui Wang, et al. "Unclear but present danger: An asymptomatic SARS-CoV-2 carrier." Genes & Diseases 7, no. 4 (2020): 558–66. http://dx.doi.org/10.1016/j.gendis.2020.07.010.

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23

Verlingue, C., A. David, M. P. Audrezet, et al. "Asymptomatic carrier of two CFTR mutations: Consequences for prenatal diagnosis?" Prenatal Diagnosis 13, no. 12 (1993): 1143–48. http://dx.doi.org/10.1002/pd.1970131210.

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24

Flores, Anthony R., Randall J. Olsen, Andrea Wunsche, et al. "Natural Variation in the Promoter of the Gene Encoding the Mga Regulator Alters Host-Pathogen Interactions in Group A Streptococcus Carrier Strains." Infection and Immunity 81, no. 11 (2013): 4128–38. http://dx.doi.org/10.1128/iai.00405-13.

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ABSTRACTHumans commonly carry pathogenic bacteria asymptomatically, but the molecular factors underlying microbial asymptomatic carriage are poorly understood. We previously reported that two epidemiologically unassociated serotype M3 group AStreptococcus(GAS) carrier strains had an identical 12-bp deletion in the promoter of the gene encoding Mga, a global positive gene regulator. Herein, we report on studies designed to test the hypothesis that the identified 12-bp deletion in themgapromoter alters GAS virulence, thereby potentially contributing to the asymptomatic carrier phenotype. Using a

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25

Lúcia Sousa Resende, Isa, Beatriz Aline Migotto, Diego Ribeiro, Anna Júlia Barbosa Brigagão, Fernando Yoiti Kitamura Kawamoto, and Claudine Botelho de Abreu. "Prevalence of asymptomatic dermatophytes carrier cats in high population density households in Lavras–MG city." Acta Veterinaria Brasilica 18, no. 3 (2024): 211–16. https://doi.org/10.21708/avb.2024.18.3.12363.

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Dermatophytosis is a significant zoonosis in the world. This study aimed to investigate the prevalence of asymptomatic dermatophytes carrier cats in high population density households in Lavras (MG) city and to analyze the epidemiological factors associated with this condition. A total of 160 cats were evaluated through coat samples collected by brushing. The coat samples were inoculated in Dermatophyte Test Medium culture. After colony growth, they underwent microscopic analysis to identify dermatophytes. Statistical analysis was performed using the Chi-square test or Fischer's Exact test to

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26

UBEROS, J., A. MOLINA-CARBALLO, G. GALDO-MUÑOZ, and A. MUÑOZ-HOYOS. "Total antioxidant capacity of plasma in asymptomatic carrier state ofNeisseria meningitidis." Epidemiology and Infection 135, no. 5 (2006): 857–60. http://dx.doi.org/10.1017/s0950268806007539.

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SUMMARYReduction of the antioxidant capacity of plasma has been linked with the impairment of an effective immune response and so we hypothesized that the carriage rate ofNeisseria meningitidisin asymptomatic subjects might correlate with the levels of antioxidants in plasma. To this end we took pharyngeal swabs from 339 children in Marquesado Basic Health Zone, Granada, Spain and in addition determined the total antioxidant capacity (TAC) in plasma samples from these subjects. The overall prevalence ofN. meningitidiscarriage was 5·9% (mean age 7·1 years) with rates of 10·3% in children aged ⩽

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27

Löwy, Ilana. "Hidden Perils: Diagnosing Asymptomatic Disease Carriers." Medicine Anthropology Theory 8, no. 2 (2021): 1–29. http://dx.doi.org/10.17157/mat.8.2.5106.

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COVID-19, a disease induced by SARS-CoV-2, became a worldwide pandemic while SARS, a disease induced by a closely related virus, SARS-CoV, was successfully contained. This is because COVID-19, unlike SARS, can be spread by people who do not display any symptoms of disease, either because they are in the early stages of the infection or because their infection remains clinically silent. This research article traces the complex history of the diagnosis of symptom-free (or asymptomatic) carriers of pathogens, a term inseparably linked to the rise of the laboratory diagnosis of pathogens. Only suc

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28

Flores, Anthony R., Brittany E. Jewell, Dedipya Yelamanchili, Randall J. Olsen, and James M. Musser. "A Single Amino Acid Replacement in the Sensor Kinase LiaS Contributes to a Carrier Phenotype in Group A Streptococcus." Infection and Immunity 83, no. 11 (2015): 4237–46. http://dx.doi.org/10.1128/iai.00656-15.

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ABSTRACTDespite the high frequency of asymptomatic carriage of bacterial pathogens, we understand little about the bacterial molecular genetic underpinnings of this phenomenon. To obtain new information about the molecular genetic mechanisms underlying carriage of group AStreptococcus(GAS), we performed whole-genome sequencing of GAS strains recovered from a single individual during acute pharyngitis and subsequent asymptomatic carriage. We discovered that compared to the initial infection isolate, the strain recovered during asymptomatic carriage contained three single nucleotide polymorphism

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29

Q. Al-Naami, Awaji, Liaqat A. Khan, Faisal I. Zaidan, et al. "ASYMPTOMATIC COVID-19 CARRIERS: A QUANDARY FOR FAMILY PHYSICIAN." International Journal of Advanced Research 8, no. 11 (2020): 778–80. http://dx.doi.org/10.21474/ijar01/12069.

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The current COVID-19 pandemic that started in Wuhan, China, in December 2019, infect millions globally so far. The disease is caused by an RNA virus called severe acute respiratory syndrome corona virus-2 (SARS CoV-2).The common presenting symptoms include dry cough, fever, sore throat, and malaise. A proportion of patients remain asymptomatic throughout infection. Likewise, pre-symptomatic, asymptomatic patients act as carriers that can infect others.These patients pose a management challenge for family physicians working at the primary care level.Herein we report an asymptomatic carrier of C

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30

Futai, Kazuyoshi, and Hideaki Ishiguro. "Hidden Threats: The Unnoticed Epidemic System of Pine Wilt Disease Driven by Sexually Mature Monochamus Beetles and Asymptomatic Trees." Biology 14, no. 5 (2025): 485. https://doi.org/10.3390/biology14050485.

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Pine wilt disease, caused by the nematode Bursaphelenchus xylophilus, poses a significant threat to pine forests worldwide. Understanding the dynamics of its spread is crucial for effective disease management. In this study, we investigated the involvement of asymptomatic carrier trees in the expansion of pine wilt disease through a series of experiments. Cage-releasing experiments revealed that sexually immature Japanese pine sawyer beetles, Monochamus alternatus, feeding on healthy pine branches drops only a minimal number of nematodes (primary infection). However, sexually mature beetles, s

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Schoder, Dagmar, Claudia Guldimann, and Erwin Märtlbauer. "Asymptomatic Carriage of Listeria monocytogenes by Animals and Humans and Its Impact on the Food Chain." Foods 11, no. 21 (2022): 3472. http://dx.doi.org/10.3390/foods11213472.

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Humans and animals can become asymptomatic carriers of Listeria monocytogenes and introduce the pathogen into their environment with their feces. In turn, this environmental contamination can become the source of food- and feed-borne illnesses in humans and animals, with the food production chain representing a continuum between the farm environment and human populations that are susceptible to listeriosis. Here, we update a review from 2012 and summarize the current knowledge on the asymptomatic carrier statuses in humans and animals. The data on fecal shedding by species with an impact on th

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32

WALD, ELLEN R. "Repeat Throat Cultures?" Pediatrics 81, no. 6 (1988): 914. http://dx.doi.org/10.1542/peds.81.6.914.

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In Reply.— If patients treated for pharyngitis are symptomatic (with sore throat) at the end of treatment, repeat throat cultures are appropriate. However, if the patient is asymptomatic, routine reculturing is not recommended. The rationale for not performing cultures routinely is that a positive culture from an asymptomatic individual usually identifies a "carrier." Carriers are not thought to be at risk for rheumatic fever, nor are they a source for transmission of the streptococci to their close contacts.

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33

Tachi, Nobutada, Shuji Wakai, Yohkoh Yutoh, Shunzo Chiba, and Junichi Miura. "Asymptomatic HyperCKemia: Detection of an Isolated Carrier of Duchenne Muscular Dystrophy." Journal of Child Neurology 5, no. 4 (1990): 351–53. http://dx.doi.org/10.1177/088307389000500419.

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34

Wray, Betty B., Guy B. Faguet, Henry M. Middleton, Shyuan Hsia, and David T. Plaxico. "Congenital X-linked hypogammaglobulinemia and asymptomatic hepatitis B antigen carrier state." Journal of Allergy and Clinical Immunology 76, no. 3 (1985): 507–10. http://dx.doi.org/10.1016/0091-6749(85)90735-3.

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35

Cheng, Victoria E., and David L. Prior. "Peripartum Cardiomyopathy in a Previously Asymptomatic Carrier of Duchenne Muscular Dystrophy." Heart, Lung and Circulation 22, no. 8 (2013): 677–81. http://dx.doi.org/10.1016/j.hlc.2012.11.015.

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36

Carmona Gasca, Carlos Alfredo, Sergio Martínez González, Luz Olivia Castillo Sánchez, et al. "The Presence of a Virulent Clone of Leptospira interrogans Serovar Canicola in Confirmed Cases of Asymptomatic Dog Carriers in Mexico." Microorganisms 12, no. 4 (2024): 674. http://dx.doi.org/10.3390/microorganisms12040674.

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Leptospirosis is a neglected zoonotic disease that commonly affects cattle, pigs, horses, and dogs in many countries. Infection in dogs is usually subclinical, but acute cases of leptospirosis may occur along with systemic failure, which may become fatal. After recovery from an acute infection, dogs may become asymptomatic carriers and shed pathogenic leptospires through urine for long periods of time. Here, a study of ten different cases of leptospirosis is presented, showing the relevance of dogs as asymptomatic carriers of pathogenic Leptospira. The diagnosis was confirmed via isolation and

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37

AKUTSU, YASUYUKI, KAZUO MORI, SOZO SUZUKI, MASAAKI ISHIKAWA, and HIDEAKI SAKAI. "Highdose intact-immunoglobulin treatment for an HIV-infected asymptomatic carrier with hemophilia." Tohoku Journal of Experimental Medicine 160, no. 1 (1990): 95–96. http://dx.doi.org/10.1620/tjem.160.95.

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38

WAKU, Toshihiko. "A Case of Idiopathic Thrombocytopenic Purpura in an Asymptomatic Antiphospholipid Antibody Carrier." Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) 82, no. 11 (2021): 2079–83. http://dx.doi.org/10.3919/jjsa.82.2079.

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39

., M. S. Mahmood, M. Siddique ., and I. Hussain . "Carrier State Studies of Infectious Bronchitis Virus in Asymptomatic Layer in Pakistan." International Journal of Poultry Science 3, no. 8 (2004): 547–49. http://dx.doi.org/10.3923/ijps.2004.547.549.

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40

Kuba, Keiji, Koji Yamaguchi, Kenichi Nishiyama, et al. "GALLBLADDER CARCINOMA IN AN ASYMPTOMATIC BILIARY TYPHOID CARRIER: REPORT OF A CASE." American Journal of Gastroenterology 93, no. 4 (1998): 656–57. http://dx.doi.org/10.1111/j.1572-0241.1998.188_b.x.

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41

Khan, M. A., Syed Wasim Shah, Saif Ullah, and J. F. Gómez-Aguilar. "A dynamical model of asymptomatic carrier zika virus with optimal control strategies." Nonlinear Analysis: Real World Applications 50 (December 2019): 144–70. http://dx.doi.org/10.1016/j.nonrwa.2019.04.006.

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42

Futai, Kazuyoshi. "Role of asymptomatic carrier trees in epidemic spread of pine wilt disease." Journal of Forest Research 8, no. 4 (2003): 253–60. http://dx.doi.org/10.1007/s10310-003-0034-2.

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43

Mustafa, Hena, Mir Shahnawaz, Naveed Nazir Shah, Khurshid Dar, and Syed Suraiya Farooq. "An asymptomatic Covid-19 carrier with prolonged viral shedding for 61 days." International Journal of Pulmonary and Respiratory Sciences 2, no. 1 (2020): 09–11. http://dx.doi.org/10.33545/26648504.2020.v2.i1a.10.

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44

Quigley, Clare, Kirk A. J. Stephenson, Paul Kenna, and Lorraine Cassidy. "Optic Nerve Structural and Functional Changes in LHON-Affected and Asymptomatic Maternal Relatives: Association with H and HV Mitochondrial Haplogroups." International Journal of Molecular Sciences 24, no. 2 (2023): 1068. http://dx.doi.org/10.3390/ijms24021068.

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Leber Hereditary Optic Neuropathy (LHON) affects a minority of carriers of causative mitochondrial DNA mutations. We investigated a cohort of patients with LHON, including m.11778G>A, m.3460G>A, m.14484T>C and DNAJC30 c.152A>G variants, and their asymptomatic maternal carrier relatives for additional potential associations with vision loss. We assessed visual acuity, optical coherence tomography (OCT) of the peripapillary retinal nerve fibre layer (RNFL), visually evoked potential including P-100 latency, and full mitochondrial genome sequencing. Comparison was made with a referenc

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Rise, Matthew L., Jennifer R. Hall, Marlies Rise, et al. "Impact of asymptomatic nodavirus carrier state and intraperitoneal viral mimic injection on brain transcript expression in Atlantic cod (Gadus morhua)." Physiological Genomics 42, no. 2 (2010): 266–80. http://dx.doi.org/10.1152/physiolgenomics.00168.2009.

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Nodaviruses and other RNA viruses have a profoundly negative impact on the global aquaculture industry. Nodaviruses target nervous tissue causing viral nervous necrosis, a disease characterized by neurological damage, swimming abnormalities, and morbidity. This study used functional genomic techniques to study the Atlantic cod ( Gadus morhua ) brain transcript expression responses to asymptomatic high nodavirus carrier state and intraperitoneal injection of polyriboinosinic polyribocytidylic acid (pIC). Reciprocal suppression subtractive hybridization (SSH) cDNA libraries enriched for virus-re

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46

Lemaigre, Clément, Felipe Suarez, Jean-Philippe Martellosio, et al. "Late Onset of Chronic Granulomatous Disease Revealed by Paecilomyces lilacinus Cutaneous Infection." Journal of Clinical Immunology 42, no. 1 (2021): 60–63. http://dx.doi.org/10.1007/s10875-021-01140-1.

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AbstractChronic granulomatous disease (CGD) is an inherited immunodeficiency due to defective leukocyte NADPH responsible for recurrent infections and aberrant inflammation. Mutations in the CYBB gene are responsible for the X-linked CGD and account for approximately 70% of the cases. CGD is diagnosed during childhood in males. Female carriers may have biased X-inactivation and may present with clinical manifestations depending on the level of residual NADPH oxidase activity. We report the case of a previously asymptomatic female carrier who was diagnosed at age 67 with a skin infection with t

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47

Oyeniran, Oluwatoyin Adeola, E. Kolawole Oladipo, Oluwaseun Adegbola Adesoye, A. Yetunde Afolabi, Florence Oluwayemi Abiodun, and J. Kola Oloke. "The Incidence of Asymptomatic and Symptomatic Malaria Infection in HIV Positive and Negative Individuals in Osun State, Nigeria." UMYU Scientifica 4, no. 1 (2025): 207–16. https://doi.org/10.56919/usci.2541.021.

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Study’s Excerpt:• Asymptomatic malaria cases are most often undetected and serve as carriers of malaria transmission.• People with HIV have a higher risk of malaria, symptomatic and asymptomatic, due to reduced CD4+ T cells.• Gametocytes were detected by PCR targeting a gametocyte-specific marker in HIV-positive and negative individuals.• Improved PCR diagnostics are essential to treat asymptomatic malaria carriers and reduce transmission.Full Abstract:Malaria infection remains a public health problem in the sub-Saharan African region, including Nigeria. Clinical symptomatic malaria cases are

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48

Deng, Ting, Juan Li, Xiaohua Li, Xiaobo Li, and Yiming Yan. "The effects of isolates and immune function on hematologic parameters of Blastocystis infection rats." Trends in Immunotherapy 5, no. 2.1 (2021): 1. http://dx.doi.org/10.24294/ti.v5.i2.1.1365.

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Objective: To define a complex of changes in hematologic parameters associated with subtypes (ST) of Blastocystis sp. infections and the status of immune function in Sprague Dawley (SD) rats, and lay the foundation for Blastocystis hominis pathogenesis research. Methods: 5 isolates of ST1, ST3 and ST7 were used, including 1 isolate of ST1 from symptomatic patient, 2 isolates of ST3 and ST7 from symptomatic patients and asymptomatic carrier separately. Immune compromise model was set up using dexamethasone (DEX) and infection models with 5 isolates of ST1, ST3 and ST7, and then examined the hem

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Wong, Johanna. "Thalassaemia." InnovAiT: Education and inspiration for general practice 15, no. 3 (2021): 145–53. http://dx.doi.org/10.1177/17557380211048921.

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Thalassaemias are among the most common genetic disorders worldwide; an estimated 1.5% of the global population carries a thalassaemia mutation. Originally associated with tropical and sub-tropical regions, migration has facilitated wider dispersal, concentrated in larger multi-ethnic conurbations. Thalassaemias are heterogeneous, ranging from asymptomatic to causing severe haemolytic anaemia with pan-corporal sequelae and complications. Carriers benefit from access to pre-conception and antenatal advice and screening. The National Health Service Antenatal Haemoglobinopathy Screening Programme

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Swaathy Ramamurthy, Rathinam Suresh, and Purushothaman Ganesan. "Serological profile of chronic hepatitis B carriers – A tertiary care experience." Asian Journal of Medical Sciences 14, no. 8 (2023): 121–27. https://doi.org/10.71152/ajms.v14i8.3673.

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Abstract:

Background: Hepatitis B virus (HBV) infection in India has prevalence of around 40 million chronic HBV (CHB) carriers; 1 to 2 lakhs reported deaths annually due to its complications, such as cirrhosis and hepatocellular carcinoma. Most are asymptomatic, serving as the source of this highly transmissible infection. These patients must be evaluated and monitored regularly, for prediction of their prognosis to reduce their morbidity and mortality. Aims and Objectives: In this study, asymptomatic CHB carriers are evaluated, to assess the risk factors, and to determine replication markers of HBV an

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