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This article about COVID-19 vaccine is republished here with permission from The Conversation. This content is shared here because the topic may interest Snopes readers; it does not, however, represent the work of Snopes fact-checkers or editors.
While the COVID-19 vaccines currently available in the U.S. have been proved to be safe and effective, recent reports of rare adverse events, or side effects, have raised concerns. On July 12, 2021, the Food and Drug Administration approved an update to the Johnson & Johnson COVID-19 vaccine fact sheet to include an increased risk of the rare nerve condition Guillain-Barré syndrome. This follows previous reports linking the J&J vaccine with a rare blood clot.