False claims that White House hid COVID-19 vaccine risks

Several social media posts claim emails from 2021 reveal that federal officials covered up mRNA COVID-19 vaccine risks. The emails include federal officials flagging myocarditis as a potential (but unconfirmed) adverse reaction on May 25, 2021, consistent with when those officials alerted the public on June 10. Similar claims have circulated since July.

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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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