The Centers for Disease Control and Prevention will consider foreign nationals flying into the United States who have received a “mix-and-match” COVID-19 vaccine regimen -- a two-dose regimen where the first and second dose are not the same vaccine -- as being fully vaccinated and able to enter the United States, CDC announced Friday evening (Oct. 15) . While FDA has not authorized and CDC has not recommended mixing different COVID-19 vaccines for a primary series, the agency recognizes the...