Infectious Diseases Statistics

As part of the core public health functions, disease data are collected and maintained by the Infectious Diseases Division of the Connecticut Department of Public Health (DPH). It is important to note that surveillance methods may change over time as needed to reflect how the data will be used. These changes can have an impact on the number of cases and incidence of disease over time. The Infectious Diseases Section monitors over 80 reportable diseases, emergency illnesses, and health conditions that are declared reportable by the Commissioner of the DPH. Surveillance is conducted for many infectious diseases including, for example, vector-borne, foodborne, healthcare associated, vaccine preventable, and sexually transmitted illnesses, as well as, HIV, viral hepatitis, and tuberculosis. Collected data are used by the DPH to identify trends, outbreaks, and changes in infectious agents. Aggregate data of reportable diseases over time, can be found below. All documents are in PDF. For other data needs, please contact the appropriate program listed below.

Outbreak Information

Information on foodborne outbreaks in Connecticut is available through the National Outbreak Reporting System (NORS).

Illness Information

Information on Foodborne Pathogens Active Surveillance Network (FoodNet) is available through FoodNet Fast.

Both databases are maintained by the Centers for Disease Control and Prevention (CDC) and allow you to search by several different variables.

Infectious Disease Programs and Phone Numbers

Epidemiology and Emerging Infections 860-509-7994

Healthcare Associated Infections 860-509-7995

HIV Surveillance 860-509-7900

Immunizations 860-509-7929

Sexually Transmitted Diseases 860-509-7920

TB, HIV, STD and Viral Hepatitis 860-509-7801

Tuberculosis 860-509-7722

For national public health data, please visit the Centers for Disease Control and Prevention website.

This page last updated 1/24/2020.

Connecticut State Department of Public Health