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Volume 7, Number 7—June 2001

Research

Cholera Outbreak in Southern Tanzania: Risk Factors and Patterns of Transmission

Camilo J. Acosta*†, Claudia M. Galindo*†, John Kimario*, Kesheni Senkoro*, Honorathy Urassa*, Climent Casals†, Manuel Corachán†, N. Eseko‡, Marcel Tanner§, Hassan Mshinda*, Fred Lwilla¶, Jordi Vila†, and Pedro L. Alonso†Comments to Author 
Author affiliations: *Ifakara Health Research and Development Centre, Ifakara, Tanzania; †Hospital Clínic, Barcelona, Spain; ‡Ministry of Health, Dar es Salaam, Tanzania; §Swiss Tropical Institute, Basel, Switzerland; ¶District Medical Officer, Kilombero, Morogoro Region, Tanzania

Main Article

Table 3

Prevalence of cholera risk factors in Ifakara, Tanzania

Cholera cases
Hospital controls
Community controls
Risk factors (exposures) No.=180 No.=360 No.=100
Activities
Attended funeral recently 6.2 2.2 60.6
Attended party recently 2.8 4.7 88.5
Travel in the past 2 weeks 19 13.6 14.4
Fishing 54 51 53.8
Water
>10 minutes to water source 26.1 11.4 14.4
Unboiled drinking water 86.7 79.2 90.4
Unfiltered drinking water 89.4 84.2 92.3
River bathing 56.6 9.8 33.7
Food
Dried fish 52.5 7.2 76.9
Prawns 13.9 5.0 14.4
Uncooked vegetables 25.1 20.1 29.8
Fruits 32.4 30.4 73.1

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