
HHS.gov @HHSGov
CDC recommends that certain populations receive a #booster shot of Pfizer-BioNTech’s #COVID19 Vaccine at least 6 months after completion of their 2-dose Pfizer-BioNTech vaccine series. See full details from @CDCgov: https://t.co/YwPrqovvYu. https://t.co/v3kvzIpIF7 — PolitiTweet.org