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FACT BRIEF

Can a vaccinated person ‘shed’ the COVID-19 vaccine, causing unvaccinated people in close proximity to have changes in their period or miscarriages?

By Arijeta Lajka
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NO

It is biologically impossible for a vaccinated person to “spread” the vaccine to someone else. Also, evidence shows that the COVID-19 vaccines do not cause miscarriages in those who have gotten it.

False posts online inaccurately blamed “extended or extremely heavy cycles” on “being around people who are recently vaccinated and shedding.” Some falsely claimed miscarriages were “up 400%.”

Dr. Jen Gunter, an obstetrician-gynecologist in the Bay Area, told AP that the vaccine cannot be shed: “It is not biologically possible for the vaccine to do that.”

COVID-19 vaccines also do not affect fertility or cause miscarriages, data shows.

“Not only do they not cause miscarriages in the people who are near vaccinated people, they do not even cause miscarriages in the people who got them during pregnancy,” Dr. Andrea L. Cox of Johns Hopkins University School of Medicine told AP.

See a full discussion of this at The Associated Press
This fact brief is responsive to conversations such as this one.
Sources
Centers for Disease Control Information about COVID-19 Vaccines for People who Are Pregnant or Breastfeeding
ABOUT THE CONTRIBUTOR
The Associated Press
The Associated Press is an independent global news organization dedicated to factual reporting. Founded in 1846, AP today remains the most trusted source of fast, accurate, unbiased news in all formats and the essential provider of the technology and services vital to the news business.
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About fact briefs published on Gigafact
Fact briefs are short, credibly sourced summaries that offer “yes/no” answers in response to claims found online. They rely on publicly available, often primary source data and documents. Fact briefs are created by contributors to Gigafact —a nonprofit project looking to expand participation in fact-checking and protect the democratic process. See all fact briefs here.