Reports: COVID-19 Vaccines Can Combat Delta, Reduce Severe Illness

New US studies approved that COVID-19 vaccines can protect the public from Delta variant, in addition, they can reduce the possibilities of severe illness of Delta, Sputnik reported on Saturday.

Researchers found that all vaccines can protect vaccinated people from the B1617.2 variant risks by five times more than the unvaccinated, in addition, it can reduce the risk of severe illness, death, hospitalization by more than ten times.

Experts examined the three major vaccines used in the US: Pfizer, Moderna, and Johnson & Johnson.

According to the study, Moderna, and Pfizer are effective by 90% against Delta's risks of hospitalization and 91% against the risk of death.

The study was based on analyzing the data of reported COVID-19 infections by Delta variant in 13 regions from April 4 - June 19 and June 20 - July 17.

It added that the percentage of protecting against the risks of hospitalization dropped to 76% among the old aged people.

It is worthy to mention that a previously published study approved that two shots of the Pfizer or AstraZeneca vaccine can protect from the recently emerged variant.

Although various experts announced previously that all approved vaccines are effective against the highly transmissible strain, scientists showed that one shot of the vaccine is not enough for securing from the variant. The two shots are required.

Published in the New England Journal of Medicines in June, it asserted that the high efficiency of both two-shot vaccines against the Delta strain, and it is based on “real-world data,” according to Reuters.

The two-dose-Pfizer was effective by 88% against Delta strain, compared to 93.7% against the earliest variants of COVID-19, Alpha strain.

On the other hand, the study revealed that two shots of AstraZeneca were effective by 67% against the Delta variant, compared to 74.5% against the Alpha variant.