Jabs mostly fend off the Delta strain but breakthroughs are infectious
A new British study also finds that immunity wanes over time
ON AUGUST 18TH America’s surgeon general announced that people who got covid-19 vaccines at least eight months ago can receive an extra shot. Israel has already given a third jab to many citizens. France and Britain are also considering boosters.
This article appeared in the Graphic detail section of the print edition under the headline “The Delta delta”
From the August 21st 2021 edition
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