Study finds trace amounts of vaccine mRNA in breast milk, fueling misinformation

A small study of 11 people has gone viral after finding that breast milk may contain trace amounts of mRNA from COVID-19 vaccines up to 48 hours after vaccination. The study has been circulated worldwide by several high-profile social media accounts and right-wing news sites, with some claiming that getting vaccinated while breastfeeding is dangerous for babies. The study did not find that breastfeeding after COVID-19 vaccination was unsafe and only recommended avoiding breastfeeding in the first two days after vaccination out of an abundance of caution. 

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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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