Doctors attribute spurt in cases to water scarcity and residents storing water in open containers that serve as breeding grounds for the vector
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/dengue-rears-its-ugly-head-again-city
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dengue
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health