Community outbreak of psittacosis in a rural Australian town

Williams, Joanne, Tallis, Graham, Dalton, Craig, Ng, Sally, Beaton, Sheila, Catton, Michael, Elliott, Julian and Carnie, John 1998, Community outbreak of psittacosis in a rural Australian town, The Lancet, vol. 351, no. 9117, pp. 1697-1699, doi: 10.1016/S0140-6736(97)10444-5.

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Title Community outbreak of psittacosis in a rural Australian town
Author(s) Williams, JoanneORCID iD for Williams, Joanne
Tallis, Graham
Dalton, Craig
Ng, Sally
Beaton, Sheila
Catton, Michael
Elliott, Julian
Carnie, John
Journal name The Lancet
Volume number 351
Issue number 9117
Start page 1697
End page 1699
Total pages 3
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 1998-06-06
ISSN 0140-6736
Summary BackgroundHealth authorities in Victoria, Australia were notified of three men from a rural town with atypical pneumonia, admitted to hospital over 8 days. Initial serological testing suggested Chlamydia psittaci as the cause. We did a case-control study to find risk factors for psittacosis.MethodsWe searched for cases of pneumonia or severe flu-like illness through family physicians and the regional hospital. We selected three controls per case from the region's electoral roll. We collected blood for serological tests and administered questionnaires to all cases and controls.FindingsWe found 16 cases of psittacosis and one died. Most cases were clustered within a small geographical area, with a median age of 58 years (range 23–76), 15 (94%) of whom were male. Keeping, handling, or feeding domestic or wild birds was not associated with illness. Cases spent a median of 17·5 h per week in their garden, compared with a median of 5·2 h for controls (p=0·04) and were more likely to have mowed lawns during the 3 weeks before onset of illness than controls (odds ratio 4·81 [95% Cl 1·08–33·37]).InterpretationWe showed that psittacosis outbreaks are not limited to direct contact with birds and pose new challenges for disease control. Modifications may be needed to work outdoors to decrease the risk of psittacosis.
Language eng
DOI 10.1016/S0140-6736(97)10444-5
Field of Research 111799 Public Health and Health Services not elsewhere classified
11 Medical And Health Sciences
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1998, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
School of Health and Social Development
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