San Diego allergic reactions to Moderna vaccine pauses rollout

Reports of allergic reactions in 6 Moderna COVID-19 vaccine recipients at a clinic in San Diego temporarily slowed down vaccinations. According to the county’s Director of Epidemiology, the number of allergic reactions was slightly higher than expected in a day, and the reactions are being investigated. California’s state epidemiologist recommended providers stop using a specific lot of the Moderna vaccine out of an abundance of caution, and after consulting with the Centers for Disease Control and Prevention, as well as allergists and other experts, California has resumed the Moderna vaccine rollout. The story spread quickly among vaccine opponents on social media, with popular tweets claiming that there were more injuries than reported.

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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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