A third COVID-19 vaccination shot appeared to significantly curb a delta-led surge in cases and prevent severe illness, according to a study in Israel, the first country to offer boosters to seniors.
Twelve days or more after a booster dose of the vaccine made by Pfizer Inc. and its partner BioNTech SE, the risk of a confirmed infection decreased more than elevenfold relative to people given only two shots, researchers from Israel’s Ministry of Health and key scientific institutes found. A third dose was associated with at least a tenfold reduction in the risk of falling seriously ill, according to the research released Friday.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.