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https://hdl.handle.net/2440/92858
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Type: | Journal article |
Title: | A windy day in a sheep saleyard: an outbreak of Q fever in rural South Australia |
Author: | O'Connor, B. Tribe, I. Givney, R. |
Citation: | Epidemiology and Infection, 2015; 143(2):391-398 |
Publisher: | Cambridge University Press (CUP) |
Issue Date: | 2015 |
ISSN: | 0950-2688 1469-4409 |
Statement of Responsibility: | B. A. O'Connor, I.G. Tribe and R. Givney |
Abstract: | In December 2004, the Department of Human Services investigated an outbreak of Q fever in South Australia. A case-control study tested an association between attending a local saleyard and human illness. A case was defined as a person with clinical illness and evidence of seroconversion or high phase II IgM. Controls were selected from a database of community controls matched on sex, age group and postcode. Matched analysis of the first 15 cases with 45 controls indicated that contracting Q fever was associated with attending the saleyard on one particular day (adjusted odds ratio 15·3, 95% confidence interval 1·7-undefined, P = 0·014). Saleyard conditions were windy and conducive for airborne dispersal of contaminated particles. In total, 25 cases were detected. Of these, 22 cases had attended a local saleyard on the same day. This outbreak suggests cases were probably infected by a single exposure at a saleyard from infected sheep and dust. The investigation resulted in an increase in the local uptake of Q fever vaccination and extension of the Australian national vaccination programme. |
Keywords: | Outbreaks; Q fever; zoonoses |
Description: | Published online: 09 May 2014 |
Rights: | © Cambridge University Press 2014 |
DOI: | 10.1017/S0950268814001083 |
Published version: | http://dx.doi.org/10.1017/s0950268814001083 |
Appears in Collections: | Aurora harvest 7 Public Health publications |
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