Viral posts falsely claim COVID-19 vaccines cause syphilis

The false claim that COVID-19 vaccines cause syphilis is circulating on social media. The misinformation is linked to an FDA letter notifying health care workers about the possibility of a specific syphilis test giving false-positive results for people  vaccinated against COVID-19. False positives from the test have also been reported following other routine vaccinations and in people who are pregnant and have infections like tuberculosis. The letter clearly states that “COVID-19 vaccines do not cause syphilis.” The false claim has been shared across social media, where it has gotten thousands of engagements.

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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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