Document Detail

Community outbreak of psittacosis in a rural Australian town.
MedLine Citation:
PMID:  9734887     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Health 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. METHODS: We 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. FINDINGS: We 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% CI 1.08-33.37]). INTERPRETATION: We 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.
J Williams; G Tallis; C Dalton; S Ng; S Beaton; M Catton; J Elliott; J Carnie
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Lancet     Volume:  351     ISSN:  0140-6736     ISO Abbreviation:  Lancet     Publication Date:  1998 Jun 
Date Detail:
Created Date:  1998-09-25     Completed Date:  1998-09-25     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  2985213R     Medline TA:  Lancet     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1697-9     Citation Subset:  AIM; IM    
Infectious Diseases Unit, Department of Human Services, Victoria, Australia.
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MeSH Terms
Case-Control Studies
Disease Outbreaks*
Middle Aged
Pneumonia, Bacterial / epidemiology*
Psittacosis / epidemiology*
Risk Factors
Victoria / epidemiology
Comment In:
Lancet. 1998 Nov 7;352(9139):1551   [PMID:  9820325 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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