RFK Jr.’s potential HHS appointment sparks vaccine conversation

False claims about childhood vaccine safety circulated widely online following President-elect Trump’s November 14 announcement that he nominated Robert F. Kennedy Jr. to head the Department of Health and Human Services. In response, popular posts claimed—without evidence—that vaccines cause autism, that no childhood vaccine is safe, and that routine vaccines are linked to ADHD, sleep disorders, language delays, brain injuries, infertility, obesity, and many other medical conditions. Although several posts also shared the many studies debunking these narratives, vaccine opponents continue to call for new studies, which they say will support their claims. Other users speculated that vaccine manufacturer stocks are “tanking” after the Kennedy announcement because he has pledged to “take in Big Pharma.”

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The Public Health Communications Collaborative (PHCC) was formed in 2020 to coordinate and amplify public health messaging on COVID-19 and increase Americans’ confidence in guidance from the Centers for Disease Control and Prevention (CDC) and state and local public health officials.

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