A study conducted by the Tropical Institute of Ecological Sciences has attributed the widespread incidence of jaundice in the district to a high level of faecal pollution present in drinking water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-blames-faecal-pollution-water-jaundice-kottayam
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-thiruvananthapuram
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kottayam-d
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/faecal-coliforms
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution