Study Misrepresented To Claim Vaccinated People Most Responsible for Delta’s Spread

A preprint of a Lancet study published earlier this month continues to gain traction online, including a feature on a popular conspiracy site shown to publish anti-vaccine misinformation. The site misrepresents the study’s results to conclude that vaccinated health care workers are more responsible for spreading COVID-19 to patients than their unvaccinated colleagues. The study did find that vaccinated people who contract the virus can transmit it to others, but made no conclusions about unvaccinated people as they were not a part of the study. Studies of health care workers in the U.S. have shown that unvaccinated people are more than twice as likely to contract Delta as vaccinated people.

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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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