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Impact of community piped water coverage on re-infection with urogenital schistosomiasis in rural South Africa

Abstract
Previously, we demonstrated that high coverage of piped water in the seven years preceding a parasitological survey was strongly predictive of Schistosomiasis haematobium infection in a nested cohort of 1,976 primary school children [1]. Here, we report on the prospective follow up of infected members of this nested cohort (N=333) for two successive rounds following treatment. Using a negative binomial regression fitted to egg count data, we found that every percentage point increase in piped water coverage was associated with 4.4% decline in intensity of re-infection (incidence rate ratio = 0.96, 95%CI: 0.93-0.98, P= 0.002) among the treated children. We therefore provide further compelling evidence in support of the scaleup of piped water as an effective control strategy against Schistosomiasis haematobium transmission.

More information

Type
Journal Article
Author
Mogeni P
Vandormael A
Cuadros D
Appleton C
Tanser F
Year of Publication
2020
Journal
eLife
Volume
9
Language
eng
ISSN Number
2050-084X
DOI
10.7554/elife.54012
Publication Language
eng