OXFORD, ME – APRIL 12: Gov. Janet Mills tours a mobile vaccination unit set up in the parking lot of the Oxford Casino in Oxford on Monday, April 12, 2021. The unit, only the second of its kind in New England, will travel to ten rural locations throughout Maine over the next two monthsto give people the single dose Johnson & Johnson vaccine. The unit is run by the Federal Emergency Management Agency and staffed by a variety of governmental organizations. (Staff photo by Gregory Rec/Staff Photographer) Gregory Rec/Staff Photographer