July 1, 2022: The Centers for Disease Control and Prevention has listed Fairfield, Hartford, New London, Tolland, and Windham Counties in Low/Green the as part of its COVID-19 Community Levels Map. Only Litchfield, Middlesex and New Haven Counties are listed in the Medium/Yellow category. Residents who live in the Medium /Yellow counties who are at a high risk for severe illness, should talk to their health care provider about whether to wear a mask and take other precautions. These residents should stay up to date with their COVID-19 vaccines and get tested if they have symptoms. Visit the CDC COVID-19 Community Levels Map for updates.

Vaccine-Preventable Disease Information and Surveillance

Under Sections 19a-36-A3 and 19a-36-A4 of the Public Health Code and Sections 19a-2a and 19a-215 of the Connecticut General Statutes, diseases on the annual lists of reportable diseases and laboratory reportable significant findings are required to be reported to the Connecticut Department of Public Health (DPH) and the Local Health Director of the town in which the patient resides. The lists of reportable diseases and laboratory reportable significant findings are revised annually. Click on the link below for additional information on reporting requirements and which diseases are currently reportable. The list includes vaccine preventable diseases, as well as other diseases.  Infectious Diseases Reporting Requirements


Vaccine Preventable Diseases Fact Sheets (DPH)

Vaccine Preventable Disease Case Counts (DPH)

Microbiology Testing Service form and information (DPH)

Manual for the Surveillance of Vaccine Preventable Diseases (CDC)

Epidemiology and Prevention of Vaccine Preventable Diseases (Pink Book) (CDC)

U.S. Case Counts Vaccine Preventable Diseases 2010 (CDC)

CDC Vaccine Preventable Diseases website



Varicella (Chickenpox)

Pertussis (Whooping Cough)


Hepatitis B

Other Vaccine Preventable Diseases

Active Bacterial Core Surveillance

Click Here To View Older Advisory Notices  


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