vulnerable populations, such as older adults and those with underlying medical conditions, not wear face masks if available.
vulnerable populations, such as older adults and those with underlying medical conditions, not wear face masks if available.
wearing a face covering can help to reduce the chance that those who may not know they are sick will spread the infection to others.", "perhaps it would also be rational to recommend that people in quarantine wear face masks if they need to leave home for any reason, to prevent potential asymptomatic or presymptomatic transmission.")