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Monday, January 30, 2023

Pfizer and AstraZeneca Vaccines Effective against Delta Variant: Study

Two shots of Covid-19 vaccines of Pfizer and AstraZeneca are effective against the Delta variant of Coronavirus, a study shows.

Both Pfizer and AstraZeneca are effective against the previous Alpha coronavirus variant, says the study.

Quoting officials, Reuters reports the vaccines are highly effective against the Delta variant. The Delta variant is now the dominant variant throughout the world. But the study reiterated that one dose of the two vaccines is not enough for high protection.

The New England Journal of Medicine published the study on Wednesday. It confirms the findings given by Public Health England in May about the efficacy of Pfizer-BioNTech and Oxford-AstraZeneca Covid-19 vaccines.

Pfizer’s two shots were 88 percent effective and 93.7 percent effective against the Alpha variant, the study found.

Also, two shots of the AstraZeneca vaccine were 67 percent effective against the Delta variant.

And against the Alpha variant, the AstraZeneca vaccine was 74.5 percent effective, it found.

Public Health England researchers wrote about the findings: “Only modest differences in vaccine effectiveness were noted with the Delta variant as compared with the Alpha variant after the receipt of two vaccine doses”, Reuters reported.

One dose of Pfizer’s shot was 36 percent effective while one dose of AstraZeneca’s vaccine was about 30 percent effective.

Apart from this, you can read more articles here: What We Know so far about Delta Plus, Delta Variant of Covid-19 Now Dominant in the UKIndian Coronavirus Variant Found in BangladeshCovid-19 Vaccine Profits Create 9 New Billionaires, WHO Renames UK, Other Covid-19 Variants with Greek Letters


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