It was ten years back Thane district was reeling under extreme fear and Health Department officials were running helter skelter following a large number of cases of Guinea worms in the district.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/thane-dt-free-guinea-worm-cases
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health