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COVID-19 (Coronavirus) 

Widespread vaccination is the most important pathway to ending the COVID-19 pandemic. Everyone age 12 and older is eligible to get a Covid-19 vaccine. Learn where to get a COVID-19 vaccine.

Updated Information

How to Protect Yourself and Others

Given national and statewide concerns about the highly contagious delta variant and the potential for fully vaccinated people to transmit the virus, the Cambridge Public Health Department recommends that residents: 
  • Get vaccinated (age 12+) even if you have already had COVID-19. The vaccine is the best way to prevent severe or even life-threatening symptoms of COVID-19. Learn more.
  • Wear a mask when indoors outside your home. See the Cambridge Public Health Department's Choosing the Best Mask for You and the City of Cambridge mask order (effective September 3, 2021).
  • Get tested if you have been exposed or have symptoms associated with COVID-19, even if symptoms are mild. “Exposure” is considered having contact within 6 feet of an infected individual for a total of 15 minutes or more. Learn more
  • Stay home from work if you are having symptoms associated with COVID-19 and get tested.
Unvaccinated or partially vaccinated residents should continue following all CDC recommended precautions.

Cambridge Resources

Additional Resources 

Last revised on November 18, 2021

  • For all health related Covid-19 inquiries, please call 665-3826, leave a message and someone will get back to you.
  • If you received a Covid-19 test in Cambridge and would like to receive your test results, or have a question about testing, please call 617-362-8308 or email covid@proems.com with your name and date of birth in the request and someone will be in contact with you.
  • For Cambridge businesses looking to report a case to the public health department, please fill out and submit this form.


Cambridge Public Health Department
119 Windsor Street
Cambridge, MA 02139
617-665-3826 (main)
617-665-3800 (main)
617-665-3888 (fax)
617-643-0744 (TTY)

Hours: Monday-Friday:
8:30 a.m.–5 p.m.
After Hours

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Susan D. Breen
Interim Chief Public Health Officer



Cambirdge Health Alliance

Cambridge City
City of Cambridge