J&J COVID-19 Vaccinations Resume After Temporary Shutdowns

Vaccinations with the Johnson & Johnson jab paused at several sites earlier this week after an unusual number of people experienced adverse reactions, but the CDC says there’s no cause for concern.

Written byShawna Williams

| 3 min read

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ABOVE: Dicks Sporting Goods Park near Denver, where mass vaccination with the Johnson & Johnson vaccine was paused on Wednesday after 11 people who received the shot felt unwell
© ISTOCK.COM, MILEHIGHTRAVELER

Three vaccination sites, one in Colorado and two in North Carolina, briefly paused administering the Johnson & Johnson vaccine against COVID-19 earlier this week after a small percentage of recipients experienced adverse reactions. The shots resumed after investigations by the US Centers for Disease Control and Prevention found the incidents were consistent with the vaccine’s known side effects.

On Wednesday afternoon (April 7), a mass vaccination clinic at a baseball stadium outside of Denver shut down after 11 people felt unwell within 15 minutes, according to The Denver Post. Their reactions included nausea, dizziness, and fainting; nine people were treated at the site with juice and water, while two were taken to the hospital. More than 1,700 people were ...

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Meet the Author

Shawna Williams
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Shawna was an editor at The Scientist from 2017 through 2022. She holds a bachelor’s degree in biochemistry from Colorado College and a graduate certificate in science communication from the University of California, Santa Cruz. Previously, she worked as a freelance editor and writer, and in the communications offices of several academic research institutions. As news director, Shawna assigned and edited news, opinion, and in-depth feature articles for the website on all aspects of the life sciences. She is based in central Washington State, and is a member of the Northwest Science Writers Association and the National Association of Science Writers.
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