Posts claim that mRNA vaccines are “modified mRNA” meant to alter human DNA

Several popular social media posts over the last month claim that mRNA in COVID-19 vaccines stands for “modified RNA” rather than messenger RNA. These posts, often using the hashtag #modRNA, claim that mRNA vaccines are designed to stay in the body longer and permanently alter DNA.

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The Public Health Communications Collaborative (PHCC) was developed in response to the urgent need for timely, relevant, and practical tools, messaging, and training to support and enhance the communications capacity of public health professionals across the country. Learn More >>

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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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