Effective May 6, the Baker Polito Administration issued an order <https://www.mass.gov/doc/may-1-2020-masks-and-face-coverings/download
> mandating all residents over the age of two to use a face covering or mask in public places (both indoor and outdoor spaces) where maintaining proper social distancingmeasures to prevent the spread of COVID-19 are not possible. This means anytime you are within 6ft of another indidivdual you should be wearing a face covering.
A face covering may include anything that covers your nose and mouth, including a mask, scarf or bandana. Masks should not be worn by young children under the age of two, persons with difficulty breathing, or those who are unconscious, incapacitated, or otherwise unable to remove the mask without assistance. Please preserve health care grade masks for health care workers and first responders.