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Trends and risk factors for human Q fever in Australia, 1991-2014

Date

2017

Authors

Sloan-Gardner, Timothy
Massey, Peter
Hutchinson, Penny
Knope, Katrina
Fearnley, Emily

Journal Title

Journal ISSN

Volume Title

Publisher

Cambridge University Press

Abstract

Australian abattoir workers, farmers, veterinarians and people handling animal birthing products or slaughtering animals continue to be at high risk of Q fever despite an effective vaccine being available. National Notifiable Diseases Surveillance System data were analysed for the period 1991–2014, along with enhanced risk factor data from notified cases in the states of New South Wales and Queensland, to examine changes in the epidemiology of Q fever in Australia. The national Q fever notification rate reduced by 20% [incident rate ratio (IRR) 0·82] following the end of the National Q fever Management Program in 2006, and has increased since 2009 (IRR 1·01–1·34). Highest rates were in males aged 40–59 years (5·9/100 000) and 87% of Q fever cases occurred in New South Wales and Queensland. The age of Q fever cases and proportion of females increased over the study period. Based on the enhanced risk factor data, the most frequently listed occupation for Q fever cases involved contact with livestock, followed by ‘no known risk’ occupations. More complete and comparable enhanced risk factor data, at the State/Territory and national levels, would aid in further understanding of the epidemiology of Q fever.

Description

Keywords

Australia, public health surveillance, Q fever, risk factors, vaccination

Citation

Collections

Source

Epidemiology and Infection

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

Creative Commons License (Attribution 4.0 International)

DOI

10.1017/S0950268816002843

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