Communicable Diseases

Click one of the topics below for more information.

Flu, COVID-19, and RSV rates in Connecticut are tracked by CT Department of Public Health (DPH).
You can find live updates on their website by clicking on the button below.


The COVID-19 pandemic has ended, but COVID here to stay. This section contains information on COVID-19 symptoms, testing, and vaccination. Vaccination is still the most effective way to prevent serious illness.


The Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. Flu cases are highest in the fall and winter.


Mpox is a rare disease caused by infection of the Mpox virus, which is a member of the smallpox family. Mpox symptoms are similar to smallpox, but milder and rarely fatal.


RSV is a common respiratory virus that usually causes mild, cold-like symptoms. Most people recover quickly, but it can be far more severe for infants and older adults.