Zika Virus
Zika virus is spread to people through the bite of infected mosquitoes. This disease is not spread in Connecticut; however, residents can acquire it by traveling to foreign endemic areas. Zika outbreaks have been reported in tropical Africa, Southeast Asia, the Pacific Islands, Central and South America, the Caribbean, and in Puerto Rico. In Connecticut, surveillance is conducted to identify travel-related cases. There is no vaccine to prevent or medicine to treat Zika virus infection. The best way to prevent getting sick from Zika virus is to prevent mosquito bites.
About Zika Virus
Zika Cases in the United States
Countries & Territories at Risk for Zika
ArboNET Surveillance System
Recommendations for Travelers
Information for Clinicians
Clinical Guidance
National Surveillance Case Definitions
Connecticut Provider Reporting Information
Connecticut Laboratory Reporting Information
Directory of Clinical Testing Services provided by the State Public Health Laboratory
State Public Health Laboratory Contacts – for additional information
Connecticut Zika Virus Surveillance
Zika virus was added to the state-wide reportable diseases list in February 2016. In Connecticut, surveillance is conducted to identify travel-related cases. Since 2016, an average of 40 cases (range 0 to 107) have been reported to the Connecticut Department of Public Health (DPH) annually. The majority of cases were reported during the 2016 outbreak.
Connecticut Annual Infectious Diseases Statistics
Updated 7/10/2025