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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A prominent figure with a history of questioning vaccine science in a high-ranking public health position may result in the mainstreaming of anti-vaccine and anti-science claims. Debunking messaging may emphasize that decades of research prove that routine vaccines are very safe and not linked to autism, ADHD, or chronic illness. Messaging may also explain that routine vaccines protect everyone, including infants who are too young to be fully vaccinated and those who can’t safely receive vaccines. Emphasizing that vaccines are held to the highest testing and safety standards is recommended. Fact-Checking Source(s): CHOP, National Academies
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