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HomeVideoWATCH: How the Johnson & Johnson COVID-19 vaccine works

WATCH: How the Johnson & Johnson COVID-19 vaccine works

Johnson & Johnson’s COVID-19 vaccine was the third to be authorized in the United States, but it was the first to deliver full protection with one shot. Also different from the mRNA-based vaccines developed by Pfizer and Moderna, this one uses a “viral vector” — in this case, an adenovirus — to inoculate recipients against the coronavirus. On Thursday, Johnson & Johnson announced that new data from small studies suggest that its vaccine protects recipients against the more transmissible delta variant of the virus, and that overall protection lasts for at least eight months. Here’s a look at how it works. Video by Megan McGrew and Isabella Isaacs Thomas/PBS NewsHour Editor’s note: Johnson & Johnson is a funder for the PBS NewsHour. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe