Investigating Diseases Of Public Health Importance Victoria Australia
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Investigating Diseases Of Public Health Importance Victoria Australia
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Author : Courtney Renee Lane
language : en
Publisher:
Release Date : 2015
Investigating Diseases Of Public Health Importance Victoria Australia written by Courtney Renee Lane and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
In this thesis, I present the projects and activities I have undertaken as a Master of Philosophy in Applied Epidemiology (MAE) Scholar in Victoria. Between February 2013 and December 2014, I was placed with Communicable Disease Epidemiology and Surveillance at the Victorian Department of Health and the Epidemiology Unit at the Victorian Infectious Diseases Reference Laboratory (VIDRL). Through these placements I experienced the day-to-day activities of a public health unit, as well as the applied public health research environment provided in a reference laboratory setting. During my MAE I analysed data to examine the relationships between antimicrobial resistance patterns in Shigella isolates and risk factors for shigellosis. I have found that location of travel is a possible marker of antimicrobial resistance patterns in shigellosis cases and found significantly elevated levels of ciprofloxacin resistance amongst travellers returning from India and their contacts. This project also highlights the prominence of periodic outbreaks amongst men who have sex with men (MSM) in driving shigellosis case numbers in Victoria and indicates a reconsideration of Australian treatment guidelines for shigellosis may be needed. As a result of this project, I also communicated with selected general practitioners and the community to increase awareness of an outbreak of shigellosis amongst MSM in 2014. My epidemiological project examined the effects of restriction criteria and covariate inclusion in the case-test negative design to estimate seasonal influenza vaccine effectiveness (VE). Using six years of data from the Victorian General Practice Sentinel Surveillance System I defined an optimum logistical regression model for this new, but growing, method of analysing sentinel influenza surveillance data to provide rapid annual estimates of influenza VE. I also report supporting evidence that repeated seasonal influenza vaccination in both the current and previous year may be less effective at preventing influenza than vaccination in only the current season. I report on two outbreak investigations. The first was a cohort investigation into an outbreak of gastroenteritis of unknown aetiology following a catered lunch. Attendees at the lunch were divided into three groups representing a standard meal in low, middle and high-income countries. I believe the source of illness to be a dahl curry served as part of the low-income country meal and stored in a hot box prior to serving. We have communicated potential improvements in food safety practices the to prevent further outbreaks. The second outbreak is a descriptive investigation of a Salmonella Typhimurium phage type 64 cluster identified in Victoria in 2013. I evaluated national hepatitis A surveillance in Australia, focused on detection of common-source multi-jurisdictional outbreaks. I consider the potential to enhance surveillance using nationally collated genotyping, sequencing and standardised exposure data. Finally, I present two teaching activities conducted during my MAE; a teaching session on selection bias and a lesson from the field introducing directed acyclic graphs I prepared for my fellow MAE2013 cohort. This thesis provides an account of my MAE experience, fulfils the requirements of the program and outlines the contribution my work has made to public health in Victoria.
Epidemiological Investigation Of Diseases Of Public Health Importance In Victoria Australia
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Author : Alicia Arnott
language : en
Publisher:
Release Date : 2017
Epidemiological Investigation Of Diseases Of Public Health Importance In Victoria Australia written by Alicia Arnott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
In this thesis, I present the projects and activities I have undertaken as a Master of Philosophy in Applied Epidemiology (MAE) Scholar in Victoria between February 2015 and September 2016. I was placed with the Communicable Disease Epidemiology and Surveillance (CDES) Unit at the Victorian Department of Health and Human Services, and the Victorian Infectious Diseases Reference Laboratory (VIDRL) Epidemiology Unit. Through these placements I experienced the day-to-day activities of a state public health unit as well as an applied public health research environment.I conducted a cohort study to identify the source of a large, highly publicised outbreak of Salmonella Typhimurium at a five-star hotel in Melbourne, which was identified as raw-egg mayonnaise used in sandwich fillings served at a High Tea. For my data analysis project, I investigated the epidemiology of legionellosis in Victoria between 2000 and 2015 to determine whether the ubiquity of the Legionella pneumophila specific urinary antigen test is creating an 'epidemiological blind spot' for non - Legionella pneumophila infections. I found that whilst this method was ubiquitous prior to and during the study period, the rate of infection with non-Legionella pneumophila species did not decline in parallel as expected if urinary antigen testing routinely precluded their detection. I evaluated the complex Victorian influenza surveillance system, which involved analysis of data captured by the system from 2005 - 2014. As a whole, the system was found to perform well and the data collected were used to inform public health activities. Geographic representativeness of syndromic ILI data was high, demonstrating its utility as a surveillance tool, and the widespread uptake of molecular diagnostic testing enhanced overall system sensitivity, timeliness and flexibility. In addition, the data collected enabled robust estimates of seasonal vaccine effectiveness to be determined which informs local public health action and global vaccine development. However, important deficiencies that prevent the system from achieving a number of its objectives were identified. Most importantly, the ability of the current system to guide planning and implementation of policy and to detect and control outbreaks is limited, and laboratory testing denominator data are not available to facilitate interpretation of seasonal trends and true influenza incidence.My epidemiological project was an analysis of whether registering with Spleen Australia [formerly the Victorian Spleen Registry (VSR)], which provides education, clinical guidance and health promotion reminders, reduces the incidence of overwhelming post splenectomy infection amongst Victorian registrants without a spleen. By conducting a survival analysis, I found that VSR registration was indeed associated with a highly significant (p
Applied Epidemiology In Communicable Diseases And Environmental Health Victoria 2015 2016
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Author : Tanyth Emily de Gooyer
language : en
Publisher:
Release Date : 2017
Applied Epidemiology In Communicable Diseases And Environmental Health Victoria 2015 2016 written by Tanyth Emily de Gooyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
The Health Protection Branch within the Victorian Government Department of Health and Human Services has a role to reduce the incidence of preventable disease in Victoria by protecting the community against hazards resulting from, or associated with, communicable disease, food, water, or the environment.During 2015 and 2016, I completed a field placement with the branch, with a specific emphasis on environmental health and communicable disease. In this time, I both led and assisted with several public health investigations, and participated in general response and reporting activities to expand my breadth of knowledge in field epidemiology. In doing so, I fulfilled the requirements of the Master of Philosophy in Applied Epidemiology (MAE). The skills I have gained are demonstrated in this thesis.Although Victoria has no major documented industrial source of lead air pollution, the existence of legacy sources means lead remains an environmental hazard with the potential to adversely impact human health. My evaluation of the system for surveillance of elevated blood lead levels in Victoria is the first since this became a mandatorily notifiable condition in Victoria on 1 January 2010. I made a number of recommendations to simplify investigation and recording of a case's lead exposure, and highlighted the need to increase capacity for surveillance reporting and strategies to enable the sustainability of the system. The outcomes of this evaluation are already informing surveillance activities for this condition.This evaluation was supported by my analysis of the data for notifications of elevated blood lead levels greater than 10 micrograms/decilitre received in 2010-2015. This represents the first complete analysis of the data from this surveillance system. I found that while high-risk occupations remain the principal lead exposure source for notified cases, non-occupational lead exposure represents a small, but important, proportion of the incidence of elevated blood lead levels in Victoria. Specifically, my analysis highlighted that lead exposure was exacerbated by poor personal lead hygiene practices in hobby activities (including recreational gun shooting and home renovation), but also emphasised the continued dangers of lead exposure associated with imported alternative medicine use.I also investigated two communicable disease outbreaks. I designed and conducted a case-control study to investigate the cause of an increase in notifications of cryptosporidiosis in the North and West Metropolitan region of Victoria in March-April 2015. This epidemiological study showed that recreational water facilities, including water parks, present risks for bathers to become infected with Cryptosporidium spp. I also conducted a cohort study to investigate an outbreak of gastrointestinal illness among guests who attended a canape-style wedding reception. Molecular testing and epidemiological diagnostic criteria identified the causal pathogen as norovirus. Although the specific vehicle of infection was unclear, this study suggested person-to food-to person transmission of norovirus was the likely cause of the outbreak of gastroenteritis in this wedding cohort.In this thesis, I present my experience and capabilities gained during the MAE program, and demonstrate my contribution to protecting the public health of Victorians. The public health impact of this work is also described.
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Buruli Ulcer
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Author : Gerd Pluschke
language : en
Publisher: Springer
Release Date : 2019-04-29
Buruli Ulcer written by Gerd Pluschke and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-29 with Medical categories.
A major objective of this open access book is to summarize the current status of Buruli Ulcer (BU) research for the first time. It will identify gaps in our knowledge, stimulate research and support control of the disease by providing insight into approaches for surveillance, diagnosis, and treatment of Buruli Ulcer. Book chapters will cover the history, epidemiology diagnosis, treatment and disease burden of BU and provide insight into the microbiology, genomics, transmission and virulence of Mycobacterium ulcerans.
Introduction To Public Health
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Author : Mary Louise Fleming
language : en
Publisher: Elsevier Australia
Release Date : 2009
Introduction To Public Health written by Mary Louise Fleming and has been published by Elsevier Australia this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Medical categories.
This text introduces students to the core concepts and principles of public health, the nature and scope of public health, its history, provides an introduction to health determinants and epidemiology, evidence-based practice in public health, understanding public health data, and more.
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Emerging Infectious Diseases
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Author :
language : en
Publisher:
Release Date : 2013
Emerging Infectious Diseases written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Communicable diseases categories.