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The Cambridge Public Health Department continues to urge residents -- vaccinated and not -- to wear a mask when indoors in shared spaces. To be extra protective, people who are living with someone who is immunocompromised may choose to wear a mask in all indoor settings beyond their own home.

Having a weakened immune system can make you more likely to get severely ill from COVID-19. Many conditions and treatments can cause a person to be immunocompromised or have a weakened immune system, ranging from inherited genetic conditions to immune-weakening medications such as corticosteroids.

The Cambridge Public Health Department is alerting residents that there has been a sharp rise in infants and children in Massachusetts seeking care for respiratory illnesses this fall. These illnesses include RSV, rhinovirus and enterovirus, and the flu.

An overview of the Cambridge Police Department's daily calls for service.

The Cambridge Conservation Commission is teaming up with the New England Flower Society to offer an Urban Gardening Series of four, free classes from January through April. These sessions are designed to help city dwellers grow healthy, sustainable, and beautiful urban gardens.

Christmas Holiday closure information for the City of Cambridge

A meeting of the Harvard Square Advisory Committee.

Hazardous Materials

The Cambridge Climate Committee (CCC) is an advisory body that assists with planning and addressing climate change.

An overview of the Cambridge Police Department's calls for service on May 9, 2026