Maine EMS and the US CDC has released guidance on the use of facemasks for those who are fully vaccinated against COVID-19. This bulletin can be found on the Operational & Clinical Bulletin Page, on the COVID Resource Page or at the link below.
Operational Bulletin 2021-03-11-01 Clarification of US CDC's Guidance Regarding Those Who Are Fully Vaccinated (PDF) (3/11/21)