Department of Public Health Data Library

Throughout history, government and industries have neglected investments in some neighborhoods, especially communities of color, who are more likely to have fewer resources.

Smoking is the leading cause of preventable death and disease in Massachusetts. In Massachusetts, more than 9,300 people die each year from smoking. Nationally, tobacco kills more people than motor vehicle crashes, AIDS, homicides, and poisonings combined.

HIV is a disease that attacks a person's immune system and can cause serious illness, but can be controlled with medications and proper care. Here you can find information about HIV, including prevention and treatment.

This page includes data on immunizations against COVID-19, influenza, and RSV during the current respiratory season.

Explore data related to tobacco cessation (quitting) after statewide menthol and flavored tobacco restrictions in Massachusetts.

Explore data related to tobacco use trends over time after statewide menthol and flavored tobacco restrictions in Massachusetts.

See indoor air quality (IAQ) reports for Massachusetts cities and towns.

Infectious diseases like tuberculosis, syphilis, and HIV can often be prevented with vaccines and treated with routine preventive care, but White residents are often diagnosed at a much lower rate.

Massachusetts Department of Public Health weekly influenza update