False claims and conspiracies spread amid US measles outbreaks

News coverage of a measles outbreak in Florida and cases in 14 other states led to online discourse about the disease and the MMR vaccine. Much of the discourse is related to the Florida surgeon general’s letter to parents, which does not encourage vaccination and allows unvaccinated children to continue attending school. Some online posts falsely claim that measles isn’t real and that recent measles outbreaks are linked to vaccination campaigns.

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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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