These latest state guideslines (effective March 22, 2021) include:
As of Monday, March 22, all visitors entering Massachusetts, including returning residents, are advised to quarantine for 10 days upon their arrival.
Travelers are exempt from this advisory if they have a negative COVID-19 test result that has been administered up to 72 hours prior to their arrival in Massachusetts. If not obtained before entry to Massachusetts, a test may be obtained after arrival, as long as travelers quarantine until a negative test result has been received.
Anyone who is returning to Massachusetts after an absence of fewer than 24 hours is exempt from this advisory.
Travelers who are fully vaccinated (i.e. who have received two doses of either the Moderna or Pfizer COVID-19 vaccines OR who have received a single dose of the Johnson & Johnson vaccine, 14 days or more ago) and who do not have symptoms are exempt from this advisory.