FDA adds new warning of rare nerve syndrome to Johnson & Johnson COVID-19 vaccine

Johnson & Johnson COVID-19 vaccine
(Image credit: Michael Ciaglo/Getty Images)

The Food and Drug Administration on Monday updated its fact sheet for the Johnson & Johnson COVID-19 vaccine, saying that while the chance of developing Guillain-Barré syndrome is "very low" after receiving the shot, there is an increased risk.

Preliminary reports show that there have been about 100 suspected Guillain-Barré syndrome cases among people who received the one-dose Johnson & Johnson vaccine; the vaccine has been administered to more than 12.8 million Americans, the Centers for Disease Control and Prevention says. Among the people who developed the syndrome, the symptoms developed about 42 days after vaccination.

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The FDA said there is no link between Guillain-Barré syndrome and the COVID-19 vaccines made by Pfizer and Moderna. Public health officials stress that the benefits of the vaccine vastly outweigh the risks, with the CDC saying on Monday that in the United States, "nearly all COVID-19 hospitalizations and deaths are now occurring in unvaccinated people. The risk of severe adverse events after COVID-19 vaccination remains rare."

Catherine Garcia, The Week US

Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.