While new CDC guidance says people can mix shots, doctors are still recommending people get the vaccine they received for their primary doses if possible.
Fully vaccinated people who got a Pfizer booster shot in a large trial were at much lower risk of catching Covid-19. Veuerβs Johana Restrepo has more.
Strict guidelines were put in place when the COVID-19 vaccine rolled out, but this week the Food and Drug Administration may ease them and allow people to mix and match shots when they line up for..
Credit: 7News - The Denver Channel Duration: 02:15Published
Expert explains which type of COVID-19 booster shot people should get
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