News Alert: Two-dose version of Johnson & Johnson shot 94% effective against Covid-19, study finds

A two-dose version of Johnson & Johnson's coronavirus vaccine provides 94% protection against symptomatic infection, the company said Tuesday -- making a two-dose regimen of J&J's Janssen vaccine comparable to a two-dose regimen of Moderna's or Pfizer's.

News Alert: Two-dose version of Johnson & Johnson shot 94% effective against Covid-19, study finds A two-dose version of Johnson & Johnson's coronavirus vaccine provides 94% protection against symptomatic infection, the company said Tuesday -- making a two-dose regimen of J&J's Janssen vaccine comparable to a two-dose regimen of Moderna's or Pfizer's. Plus, the company said, adding a booster dose to a single shot of the vaccine raised immunity even more, and should also protect people strongly against infection. Read More CNN BREAKING NEWS You are receiving this newsletter because you've signed up to receive CNN Breaking News alerts.   No longer want to receive this newsletter? Unsubscribe. Interested in more? See all of our newsletters.   Create CNN Account | Listen to CNN Audio | Download the CNN App    ® © 2021 Cable News Network, Inc. A WarnerMedia Company. All Rights Reserved. One CNN Center Atlanta, GA 30303

Share This :

Editor