World Coronavirus

Study suggests Pfizer, AZ vaccine protection wanes after 6 months

Reading now: 598
www.rte.ie

The protection provided by two doses of the Pfizer/BioNTech and the AstraZeneca coronavirus vaccines starts to wane within six months, new research suggests.

A reasonable worst-case scenario could see protection fall to below 50% for the elderly and healthcare workers by winter, an expert has said.

The Pfizer jab was 88% effective at preventing Covid-19 infection a month after the second dose. But after five to six months the protection decreased to 74%, suggesting protection fell 14 percentage points in four months, latest analysis from the Zoe Covid study indicates.

With the AstraZeneca vaccine, there was a protection against infection of 77% one month after the second dose. After four to five months protection decreased to 67%,

Read more on rte.ie
The website covid-19.rehab is an aggregator of news from open sources. The source is indicated at the beginning and at the end of the announcement. You can send a complaint on the news if you find it unreliable.

Related News

DMCA