Anti-Covid Vaccine: Pfizer and AstraZeneca Maintain Their Effectiveness Against Delta Variants

Anti-Covid Vaccine: Pfizer and AstraZeneca Maintain Their Effectiveness Against Delta Variants – Medias24

According to a study published in the New England Journal of Medicine, a full course of Pfizer and AstraZeneca coronavirus vaccines is almost equally effective against the delta version of COVID-19.

July 23, 2021 at 3:07 pm.

Revised July 23, 2021 at 3:15 PM.

According to a study published in the New England Journal of Medicine, a full course of Pfizer and AstraZeneca coronavirus vaccines is almost equally effective against the delta version of COVID-19.

Pfizer-BioNTech offers two doses of vaccine 88% protection against Delta version, Vs 94% compared to alpha version, says the study.

Oxford-AstraZeneca was effective at double dose of vaccine 67 percent compared to Delta, According to the researchers, this represents a slight decrease compared to the rate of effectiveness. 75% against the alpha version.

The effectiveness of both vaccines was very low after a single dose, On the order of 30%. The researchers therefore strongly recommend that the population receives both doses of the vaccine.

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