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Volume 2, Number 2—April 1996

Dispatch

An Outbreak of Ross River Virus Disease in Southwestern Australia

Michael Lindsay*, Nidia Oliveira†, Eva Jasinska*, Cheryl Johansen†, Sue Harrington‡, A.E Wright‡, and David Smith§
Author affiliations: *University of Western Australia, Queen Elizabeth II Medical Centre, Nedlands, Western Australia; †University of Queensland, Brisbane, Queensland; ‡Health Department of Western Australia, Mt. Claremont, Western Australia; §Western Australian Centre for Pathology and Medical Research, Queen Elizabeth II Medical Centre, Nedlands, Western Australia

Main Article

Table 1

Cases of Ross River virus disease, by month of onset and geographic region, in the southwest of Western Australia, July 1995 to February 1996a

Southwest region Jul Aug Sep Oct Nov Dec Jan Feb Totals
Metro area 1 1 6 23 99 17 147
Peel 1 3 1 1 8 34 9 57
Leschenault 2 1 3 9 114 30 159
Capel/Busselton 2 1 26 73 20 122
Inland/south coast 2 14 2 3 30 27 65
North/east of Perth


1

2

5
3
15
Totals 3 4 4 9 15 69 355 106 565

a Cases are recorded by region in which exposure most likely occurred, where available (from case follow-up questionnaires), or by region of residence. Data are incomplete. Case follow-up questionnaires are available for many January/February cases but have not yet been analyzed, and most pathology laboratory reports (nonnotified serologically confirmed patients (i.e., figures represent underestimate of true number of confirmed cases) are not included.

Main Article

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