HHS.gov @HHSGov
Wondering how vaccines work? On #WorldImmunizationDay, learn how #vaccines protect us from serious, preventable diseases like #measles, #polio, and #whoopingcough and teach our bodies to fight off #flu and #COVID19. https://t.co/Ms94yA3Yfg https://t.co/nDVsKORLN9 — PolitiTweet.org