Got Questions About Johnson & Johnson’s COVID-19 Vaccine? We Have Answers

Posted by on March 4, 2021 9:47 pm
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Categories: US National Stories

A medical worker at South Shore University Hospital gets ready to administer the newly available Johnson & Johnson COVID-19 vaccine in Bay Shore, N.Y., Wednesday. Clinical research found it to be 85% effective in preventing severe disease four weeks after vaccination, and it has demonstrated promising indications of protection against a couple of concerning variants of the coronavirus.

The third COVID-19 vaccine authorized for use in the U.S. requires one shot instead of two, and works a slightly different way from the others. Here’s what we know about its safety and effectiveness.

(Image credit: Spencer Platt/Getty Images)

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