Private hospitals have been asked to keep the state health department updated on the number of patients they are receiving.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/another-dengue-death-kolkata-toll-rises-23
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-expess-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kolkata
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dengue
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health