Face masks or coverings are required in indoor public places in Cambridge.

This Order applies to everyone over the age of two years old, with exceptions in alignment with the Centers for Disease Control and Prevention and the Massachusetts Department of Public Health guidelines.

For the purposes of this order, Indoor Public Places include, but are not limited to:

• Common areas of residential buildings with at least four units such as any lobby, hallway, elevator, stairwell, laundry room, garage, etc.
• Common areas in indoor office and laboratory buildings such as any lobby, hallway, elevator, stairwell, garage, etc.
• Retail establishments
• Restaurants & bars - except while actively eating or drinking
• Performance venues
• Social clubs
• Houses of worship
• Event spaces
• Municipal buildings
• Personal care establishments
• Fitness establishments

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The City of Cambridge offers free COVID-19 testing 7 days a week for people who live or work in Cambridge. Walk-in testing is offered 4 days per week and appointment-only testing is offered 7 days a week through a partnership with CIC Health at their 295 Third St. location in Cambridge.

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People age 5 and older who live, work, or study in Massachusetts can get vaccinated. The COVID-19 vaccineisfree and one of the best ways to protect yourself and those around you from getting sick from COVID-19. We encourage everyone to get vaccinated. 

COVID-19 boosters are now available to anyone ages 12 and older. You’re eligible for a booster if:

• Pfizer: It's been at least 5 months since your second dose and you're age 12 or older.
• Moderna: It’s been at least 5 months since your second dose and you're age 18 or older.
• Johnson & Johnson: It’s been at least 2 months since your first dose and you're 18 or older.

Those 18 and older can mix and match vaccines. You do not need to get the same vaccine brand for your booster as your original COVID-19 vaccination.

Pfizer COVID-19 boosters are now available to anyone ages 12 and older who are at least 5 months post their initial Pfizer vaccination series. At this time, only the Pfizer COVID-19 vaccine is authorized and recommended for adolescents age 12 and older.

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Information for employers when an employee tests positive for COVID-19 via a PCR or at-home test is provided by the Cambridge Public Health Department:

• To report a positive case at your workplace, complete this form. 
• Guidance for Employers: When an Employee Has COVID-19

The Cambridge Public Health Department has adopted the Massachusetts Department of Public Health’s updated COVID-19 isolation and quarantine guidance, with some additional recommendations. The CPHD recommendations are as follows:

• If you test positive, you must isolate for at least 5 days (until symptoms are resolving) and wear a mask for 10 days. CPHD strongly recommends taking a rapid antigen test (home test) and receiving a negative result before ending home isolation after Day 5.
• If you are exposed, CPHD strongly recommends taking a PCR or antigen test on Day 5, regardless of vaccination or booster status. If you test positive, you should stay home and follow MDPH isolation guidance.
• If you test positive or are exposed, you must wear a mask throughout the 10-day isolation or quarantine period. CPHD strongly recommends wearing a well-fitting, high quality mask, such as a KF94, KN95, or N95 mask. CPHD discourages the use of cloth masks because they do not provide adequate protection.

Access Isolation and Quarantine Guidance from CPHD here.

The City welcomes residents back in administrative buildings without appointments.

Walk-in access by the public is available Monday through Friday during regular City business hours (Monday, 8:30am-8pm, Tuesday-Thursday, 8:30am-5pm, and Friday, 8:30am-12pm), and in-person public appointments continue to be offered by many departments.

All Cambridge Public Library locations have reopened to the public. View Library hours.

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