Acknowledgements: We would like to thank the community health workers of Nelvoy Village; Andrea M. LeFevre of
the London School of Hygiene and Tropical Medicine, UK and
Pearline Suganthy of the Christian Medical College (CMC),
Vellore, India for their help with statistical analysis; the
Community Health Department CMC, Vellore for giving us
the opportunity to do this project; and the people of Nelvoy
Village for all their kindness and cooperation.