FDA authorizes use of updated Covid-19 boosters for Pfizer and Moderna
Both are bivalent vaccines that combine the company’s original vaccine with a vaccine that targets the Omicron BA.4 and BA.5 lines. The updated Pfizer vaccine is a 30-mcg dose that is allowed for people 12 years of age or older. Moderna vaccine is the 50 microgram dose that is allowed for people 18 years of …
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