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Littérature scientifique sur le sujet « Legionnaires' disease South Australia Prevention »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 18 février 2022

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Articles de revues sur le sujet "Legionnaires' disease South Australia Prevention"

Quinn, Emma, Travers Johnstone, Zeina Najjar, Toni Cains, Geoff Tan, Essi Huhtinen, Sven Nilsson, Stuart Burgess, Matthew Dunn et Leena Gupta. « Lessons Learned From Implementing an Incident Command System During a Local Multiagency Response to a Legionnaires’ Disease Cluster in Sydney, NSW ». Disaster Medicine and Public Health Preparedness 12, n^o 4 (5 septembre 2017) : 539–42. http://dx.doi.org/10.1017/dmp.2017.102.

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AbstractThe incident command system (ICS) provides a common structure to control and coordinate an emergency response, regardless of scale or predicted impact. The lessons learned from the application of an ICS for large infectious disease outbreaks are documented. However, there is scant evidence on the application of an ICS to manage a local multiagency response to a disease cluster with environmental health risks. The Sydney Local Health District Public Health Unit (PHU) in New South Wales, Australia, was notified of 5 cases of Legionnaires’ disease during 2 weeks in May 2016. This unusual incident triggered a multiagency investigation involving an ICS with staff from the PHU, 3 local councils, and the state health department to help prevent any further public health risk. The early and judicious use of ICS enabled a timely and effective response by supporting clear communication lines between the incident controller and field staff. The field team was key in preventing any ongoing public health risk through inspection, sampling, testing, and management of water systems identified to be at-risk for transmission of legionella. Good working relationships between partner agencies and trust in the technical proficiency of environmental health staff aided in the effective management of the response. (Disaster Med Public Health Preparedness. 2018;12:539–542)

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Steele, Trevor W. « Legionnaires' disease in South Australia, 1979–1988 ». Medical Journal of Australia 151, n^o 6 (septembre 1989) : 322–28. http://dx.doi.org/10.5694/j.1326-5377.1989.tb128470.x.

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Hayes-Phillips, Deanna, Richard Bentham, Kirstin Ross et Harriet Whiley. « Factors Influencing Legionella Contamination of Domestic Household Showers ». Pathogens 8, n^o 1 (26 février 2019) : 27. http://dx.doi.org/10.3390/pathogens8010027.

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Legionnaires’ disease is a potentially fatal pneumonia like infection caused by inhalation or aspiration of water particles contaminated with pathogenic Legionella spp. Household showers have been identified as a potential source of sporadic, community-acquired Legionnaires’ disease. This study used qPCR to enumerate Legionella spp. and Legionella pneumophila in water samples collected from domestic showers across metropolitan Adelaide, South Australia. A survey was used to identify risk factors associated with contamination and to examine awareness of Legionella control in the home. The hot water temperature was also measured. A total of 74.6% (50/68) and 64.2% (43/68) showers were positive for Legionella spp. and L. pneumophila, respectively. Statistically significant associations were found between Legionella spp. concentration and maximum hot water temperature (p = 0.000), frequency of shower use (p = 0.000) and age of house (p = 0.037). Lower Legionella spp. concentrations were associated with higher hot water temperatures, showers used at least every week and houses less than 5 years old. However, examination of risk factors associated with L. pneumophila found that there were no statistically significant associations (p > 0.05) with L. pneumophila concentrations and temperature, type of hot water system, age of system, age of house or frequency of use. This study demonstrated that domestic showers were frequently colonized by Legionella spp. and L. pneumophila and should be considered a potential source of sporadic Legionnaires’ disease. Increasing hot water temperature and running showers every week to enable water sitting in pipes to be replenished by the municipal water supply were identified as strategies to reduce the risk of Legionella in showers. The lack of public awareness in this study identified the need for public health campaigns to inform vulnerable populations of the steps they can take to reduce the risk of Legionella contamination and exposure.

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Gupta, Sabrina, Rosalie Aroni, Siobhan Lockwood, Indra Jayasuriya et Helena Teede. « South Asians and Anglo Australians with heart disease in Australia ». Australian Health Review 39, n^o 5 (2015) : 568. http://dx.doi.org/10.1071/ah14254.

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Objectives The aim of the present study was to determine cardiovascular disease (CVD) risk factors and compare presentation and severity of ischaemic heart disease (IHD) among South Asians (SAs) and Anglo Australians (AAs). Methods A retrospective clinical case audit was conducted at a public tertiary hospital. The study population included SA and AA patients hospitalised for IHD. Baseline characteristics, evidence of diabetes and other CVD risk factors were recorded. Angiography data were also included to determine severity, and these were assessed using a modified Gensini score. Results SAs had lower mean (± s.d.) age of IHD presentation that AAs (52 ± 9 vs 55 ± 9 years, respectively; P = 0.02), as well as a lower average body mass index (BMI; 26 ± 4 vs 29 ± 6 kg/m2, respectively; P = 0.005), but a higher prevalence of type 2 diabetes (57% vs 31%, respectively; P = 0.001). No significant differences were found in coronary angiography parameters. There were no significant differences in the median (interquartile range) Gensini score between SAs and AAs (43.5 (27–75) vs 44 (26.5–68.5), respectively), median vessel score (1 (1–2) vs 2 (1–3), respectively) or multivessel score (37% (33/89) vs 54% (22/41), respectively). Conclusions The findings show that in those with established IHD, cardiovascular risk factors, such as age at onset and BMI, differ between SAs and AAs and these differences should be considered in the prevention and management of IHD. What is known about the topic? There is much evidence on CVD and SAs, it being a leading cause of mortality and morbidity for this population both in their home countries and in countries they have migrated to. Studies conducted in Western nations other than Australia have suggested a difference in the risk profiles and presentations of CVD among SA migrants compared with the host populations in developed countries. Although this pattern of cardiovascular risk factors among SAs has been well documented, there is insufficient knowledge about this population, currently the largest population of incoming migrants, and CVD in the Australian setting. What does this paper add? This paper confirms that a similar pattern of CVD exists in Australia among SAs as does in other Western nations they have migrated to. The CVD pattern found in this population is that of an earlier age of onset at lower BMI compared with the host AA population, as well as a differing cardiovascular risk profile, with higher rates of type 2 diabetes and lower smoking rates. In addition, this study finds similar angiographic results for both the SAs and AAs; however, the SAs exhibit these similar angiographic patterns at younger ages. What are the implications for practitioners? SAs in Australia represent a high cardiovascular risk group and should be targeted for more aggressive screening at younger ages. Appropriate preventative strategies should also be considered bearing in mind the differing risk factors for this population, namely low BMI and high rates of type 2 diabetes. More intensive treatment strategies should also be regarded by practitioners. Importantly, both policy makers and health professionals must consider that all these strategies should be culturally targeted and tailored to this population and not assume a ‘one-size fits all’ approach.

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Sinka, Victoria, Pamela Lopez‐Vargas, Allison Tong, Michelle Dickson, Marianne Kerr, Noella Sheerin, Katrina Blazek, Armando Teixeira‐Pinto, Jacqueline H. Stephens et Jonathan C. Craig. « Chronic disease prevention programs offered by Aboriginal Community Controlled Health Services in New South Wales, Australia ». Australian and New Zealand Journal of Public Health 45, n^o 1 (février 2021) : 59–64. http://dx.doi.org/10.1111/1753-6405.13069.

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Ali, Hammad, Basil Donovan, Bette Liu, Jane S. Hocking, Paul Agius, James Ward, Christopher Bourne, John M. Kaldor et Rebecca J. Guy. « Chlamydia prevention indicators for Australia : review of the evidence from New South Wales ». Sexual Health 9, n^o 5 (2012) : 399. http://dx.doi.org/10.1071/sh11183.

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Background: Annual notifications of chlamydia (Chlamydia trachomatis) diagnoses have increased steadily in Australia in the last decade. To guide public health programs, we developed 10 national chlamydia prevention indicators and report on each indicator for New South Wales (NSW). Methods: Using systematic methods, we reviewed the literature to report on the 10 health and behaviour indicators for 15- to 29–year-old heterosexuals in NSW from 2000. We included data with two or more time points. Results: Chlamydia notification rates (Indicator 1) in 15- to 29–year-olds have increased by 299%, from 237 per 100 000 population in 2001 to 946 per 100 000 population in 2010; and the percent of 15- to 34-year-olds with an annual Medicare-rebated chlamydia test (Indicator 2) increased by 326%, from 1.9% in 2001 to 8.1% in 2010. Since 2004, sentinel surveillance showed a 28% increase in chlamydia prevalence (Indicator 3) in 15- to 29-year-old females tested at their first sexual health service visit (from 8.5% in 2004 to 10.9% in 2010) but no significant increase in males. No NSW-specific chlamydia incidence (Indicator 4) was available. Pelvic inflammatory disease hospitalisation separations rate decreased from 0.58 per 1000 in 2001 to 0.44 per 1000 in 2010 in 15- to 29-year-old females (Indicator 5).Secondary school surveys in 2002 and 2008 showed chlamydia knowledge increased in males. The sexual risk-taking behaviour of young people remained unchanged (Indicators 6–10). Conclusions: Although notifications have risen steeply, the modest increase in chlamydia prevalence maybe a more realistic reflection of transmission rates. Strategies are needed to increase testing and to modify sexual risk behaviour. Crucial gaps in epidemiological data were identified.

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Quinn, Emma, Kai Hsiao, George Truman, Nectarios Rose et Richard Broome. « Lessons Learnt From Exercise Celestial Navigation : The Application of a Geographic Information System to Inform Legionnaires’ Disease Control Activity ». Disaster Medicine and Public Health Preparedness 13, n^o 02 (2 mai 2018) : 372–74. http://dx.doi.org/10.1017/dmp.2018.40.

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AbstractGeographic information systems (GIS) have emerged in the past few decades as a technology capable of assisting in the control of infectious disease outbreaks. A Legionnaires’ disease cluster investigation in May 2016 in Sydney, New South Wales (NSW), Australia, demonstrated the importance of using GIS to identify at-risk water sources in real-time for field investigation to help control any immediate environmental health risk, as well as the need for more staff trained in the use of this technology. Sydney Local Health District Public Health Unit (PHU) subsequently ran an exercise (based on this investigation) with 11 staff members from 4 PHUs across Sydney to further test staff capability to use GIS across NSW. At least 80% of exercise participants reported that the scenario progression was realistic, assigned tasks were clear, and sufficient data were provided to complete tasks. The exercise highlighted the multitude of geocoding applications and need for inter-operability of systems, as well as the need for trained staff with specific expertise in spatial analysis to help assist in outbreak control activity across NSW. Evaluation data demonstrated the need for a common GIS, regular education and training, and guidelines to support the collaborative use of GIS for infectious disease epidemiology in NSW. (Disaster Med Public Health Preparedness. 2019;13:372–374)

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CLARKE, M. F., K. RASIAH, J. COPLAND, M. WATSON, A. P. KOEHLER, K. DOWLING et H. S. MARSHALL. « The pertussis epidemic : informing strategies for prevention of severe disease ». Epidemiology and Infection 141, n^o 3 (17 mai 2012) : 463–71. http://dx.doi.org/10.1017/s095026881200091x.

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SUMMARYTo assess the impact of Bordetella pertussis infections in South Australia during an epidemic and determine vulnerable populations, data from notification reports for pertussis cases occurring between July 2008 and December 2009 were reviewed to determine the distribution of disease according to specific risk factors and examine associations with hospitalizations. Although the majority (66%) of the 6230 notifications for pertussis occurred in adults aged >24 years, the highest notification and hospitalization rate occurred in infants aged <1 year. For these infants, factors associated with hospitalization included being aged <2 months [relative risk (RR) 2·3, 95% confidence interval (CI) 1·60–3·32], Indigenous ethnicity (RR 1·7, 95% CI 1·03–2·83) and receiving fewer than two doses of pertussis vaccine (RR 4·1, 95% CI 1·37–12·11). A combination of strategies aimed at improving direct protection for newborns, vaccination for the elderly, and reducing transmission from close contacts of infants are required for prevention of severe pertussis disease.

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BI, P., J. E. HILLER, A. S. CAMERON, Y. ZHANG et R. GIVNEY. « Climate variability and Ross River virus infections in Riverland, South Australia, 1992–2004 ». Epidemiology and Infection 137, n^o 10 (19 mars 2009) : 1486–93. http://dx.doi.org/10.1017/s0950268809002441.

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SUMMARYRoss River virus (RRV) infection is the most common notifiable vector-borne disease in Australia, with around 6000 cases annually. This study aimed to examine the relationship between climate variability and notified RRV infections in the Riverland region of South Australia in order to set up an early warning system for the disease in temperate-climate regions. Notified data of RRV infections were collected by the South Australian Department of Health. Climatic variables and monthly river flow were provided by the Australian Bureau of Meteorology and South Australian Department of Water, Land and Biodiversity Conservation over the period 1992–2004. Spearman correlation and time-series-adjusted Poisson regression analysis were performed. The results indicate that increases in monthly mean minimum and maximum temperatures, monthly total rainfall, monthly mean Southern Oscillation Index and monthly flow in the Murray River increase the likelihood, but an increase in monthly mean relative humidity decreases the likelihood, of disease transmission in the region, with different time-lag effects. This study demonstrates that a useful early warning system can be developed for local regions based on the statistical analysis of readily available climate data. These early warning systems can be utilized by local public health authorities to develop disease prevention and control activities.

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McMorrow, Claire, Allan J. Gunn, Shahid Khalfan, Marta Hernandez-Jover et Victoria J. Brookes. « Veterinarians’ Knowledge, Attitudes and Practices Associated with Bovine Viral Diarrhoea Virus Control and Prevention in South-East Australia ». Animals 10, n^o 9 (11 septembre 2020) : 1630. http://dx.doi.org/10.3390/ani10091630.

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In Australia, the responsibility and associated costs for the control and prevention of Bovine Viral Diarrhoea Virus (BVDV) rest solely with producers. Veterinarians provide producers with farm-specific options for BVDV management and support BVDV control and elimination in their region. We surveyed veterinarians to determine their knowledge, attitudes and practices (KAP) associated with BVDV control in south-east Australia. We found that veterinarians’ recommendations do not always align with producers’ control measures. Veterinarians were uncertain about BVDV prevalence and the proportion of producers using BVDV control measures in their regions. Veterinarians generally promoted biosecurity and vaccination, and were concerned about the welfare and additional disease risks associated with persistently infected (PI) cattle. Veterinarians highlighted concerns about disease risks associated with a previously undocumented practice in which producers collect blood from PI cattle to administer to BVDV naïve cattle; termed “vampire vaccination” in this study. A greater understanding of the burden, impact and economics of BVDV is needed to align veterinarians’ and producers’ KAP to improve BVDV management on farms, and more appreciation of veterinarians’ and producers’ values is needed before BVDV control could be implemented at a regional or country level.

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Thèses sur le sujet "Legionnaires' disease South Australia Prevention"

Wilmot, Peter Nicholas. « Modelling cooling tower risk for Legionnaires' Disease using Bayesian Networks and Geographic Information Systems ». Title page, contents and conclusion only, 1999. http://web4.library.adelaide.edu.au/theses/09SIS.M/09sismw744.pdf.

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Includes bibliographical references (leaves 115-120) Establishes a Bayesian Belief Network (BBN) to model uncertainty of aerosols released from cooling towers and Geographic Information Systems (GIS) to create a wind dispersal model and identify potential cooling towers as the source of infection. Demonstrates the use of GIS and BBN in environmental epidemiology and the power of spatial information in the area of health.

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Owen, Julie. « Development of a culturally sensitive program delivering cardiovascular health education to indigenous Australians, in South-West towns of Western Australia with lay educators as community role models ». University of Western Australia. School of Population Health, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0061.

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[Truncated abstract] Indigenous Australians suffer cardiovascular disease (CVD) at a rate six times greater than the general population in Australia and while the incidence of CVD has been reduced dramatically amongst the majority of non-indigenous Australians and amongst Indigenous populations in other countries in the last 30 years, there has been little change in the figures for Aboriginal Australians, showing that heart health campaigns have little impact, for this group of people. Aims : The principal aims of this study were firstly, to determine and record the barriers to the development and delivery of CVD prevention programs amongst Indigenous Australians and secondly, to develop an alternative, effective and culturally sensitive method of delivering heart health messages. Methods and results : The study was qualitative research undertaken in three South-West towns of Western Australia where the incidence of CVD was high amongst the Aboriginal community members. The use of semi-formal interviews, informal individual consultation, observation, and focus groups were methods implemented to obtain information. The first phase of the research was to identify the barriers which affected the Aboriginal Health Workers’ ability to deliver specialist educational programs. Questionnaires and interviews with the Aboriginal Health Workers and other health professionals in the towns, and community focus groups were undertaken in this phase of the study. The second phase of the research was aimed at developing an alternative strategy for delivering heart health messages. The focus changed to adopt more traditional ways of passing on information in Indigenous communities. The idea of small gatherings of friends or family with a trusted community member presenting the health message was developed. The third phase of the research was to implement this new approach. Lay educators who had been identified within focus groups and by Aboriginal Health Workers were trained in each of the towns and a protocol involving discussions of health issues, viewing a video on CVD, produced by the National Heart Foundation, sharing in a ‘heart healthy’ lunch and partaking in a ‘heart health’ knowledge game which was developed specifically for the gatherings. Several of these gatherings were held in each of the towns and they became known as ‘HeartAware parties’.

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