Official websites use .mass.gov
A .mass.gov website belongs to an official government organization in Massachusetts.
Secure websites use HTTPS certificate
A lock icon (
) or https:// means you’ve safely connected to the official website. Share sensitive information only on official, secure websites.
Top-requested sites to log in to services provided by the state
Protect yourself. Protect your family.
The flu spreads easily from person to person. It can be very serious. There are simple things you can do to protect yourself, your friends and family, and your community from the flu.
Learn what you need to know about the flu and the best ways to keep you and your family healthy.
Learn what steps you can take to prevent getting the flu and COVID-19.
2021-2022 season rates of flu and flu-like illness in Massachusetts
Resources from the Bureau of Infectious Disease and Laboratory Sciences
Flu information and educational materials for school administrators and childcare professionals
Guidance on the current influenza season for personnel in long-term care facilities