Reduction in transmission of Schistosoma mansoni by a four-year focal mollusciciding programme against Biomphalaria glabrata in St. Lucia

ABSTRACT

The effect on transmission of Schistosoma mansoni of a focal snail control programme was investigatsd over four years amongst approximately 1250 people living in 5 communities in the steep-sided Soufriere river valley, St. Lucia, West Indies. Bayer 6076 was applied from constant flow drip cans to 12 stream sections at a target dose of 8mg/litre clonitralide every four weeks. Only proven and potential transmission sites were treated (AU)