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Last Updated : 2024-05-12 22:13:00
6 November 2021 04:59 pm - 11 - {{hitsCtrl.values.hits}}
The protection against any COVID-19 infection has declined for all PfizerBioNTech, Moderna and Johnson & Johnson, State Minister said based on US latest study.
He said the overall vaccine protection had declined from 87.9% in February to 48.1% by October 2021.
“The decline was greatest for the Johnson & Johnson vaccine, with protection against infection declining from 86% in March to 13% in September,” he underlined.
“Declines for PfizerBioNTech were from 89% to 58% while declines for Moderna were 87% to 43%,” the State Minister added.
He said these are the vaccines predominantly used in the US.
While most previous studies have focused on the PfizerBioNTech or Moderna vaccines, the Science study is the first to compare protection declines across the three main vaccine types, and the first to show the comparably dramatic decline in effectiveness for the Janssen vaccine.
Declines were assessed over the period February 1, 2021 to October 1, 2021, reflecting the emergence and dominance of the Delta variant in the U.S. (Sheain Fernandopulle)
Puzzled Saturday, 06 November 2021 05:47 PM
It appears that all Vaccines are subject to decline in effectiveness over a short period ? What is the point in getting the booster of Pfizer vaccine by those who have received two doses of Sinopharm ?
No fun Rajapaksha Saturday, 06 November 2021 05:47 PM
Shaaa niyamai
Bernard Saturday, 06 November 2021 05:52 PM
Has the effectiveness against the Sinopharm increased over time?
joshua Saturday, 06 November 2021 06:29 PM
yes it should have increased in SL, if you ask our health minister
Rob Saturday, 06 November 2021 06:24 PM
Has the effectiveness of the local vethamathaya's tonic increased?
Bandara Saturday, 06 November 2021 06:52 PM
Sinopharm fell to around 30%, why nobody talks about that
Chux Saturday, 06 November 2021 07:31 PM
Looks like he is try a another deal with China
Patriot Saturday, 06 November 2021 07:31 PM
Sue Pfizer and WHO
Cedric Fernando Saturday, 06 November 2021 09:04 PM
Cuba has the best conventionally made covid 19 vaccine..
Michael Morley Sunday, 07 November 2021 10:04 AM
Sputnik seems to be doing well. Haven't heard any bad reports or side effects.
Vax Monday, 08 November 2021 06:55 AM
Funnily, none of them are of Chinese origin!
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