Part of Oxford County is included in the Lewiston-Auburn, Maine metropolitan New England City and Town Area while a different part of Oxford County is included in the Portland-South Portland-Biddeford, Maine metropolitan New England City and Town Area.
As to your question, la charreada refers to a type of celebration of Mexican cowboys charros that revolves around the charrerÃ­a (Mexican rodeo). Here are a couple of references that you can investigate if you are interested. charrerÃ­a - Wiki in Spanish. Charreada - Wiki in English.
VIREAD is the brand name for tenofovir disoproxil fumarate (a prodrug of tenofovir) which is a fumaric acid salt of bis-isopropoxycarbonyloxymethyl ester derivative of tenofovir.