The US Centers for Disease Control and Pervention highlighted that old aged people have the same level of protections provided by vaccines, compared to younger people, media agencies reported on Sunday.
The study added that the impact of the vaccine in reducing risks of hospitalization by COVID-19 is 75% for older people, compared to 90% for people who aged below 75 years old.
Moreover, the new studies asserted that old aged people need to start receiving their booster shots of vaccines in the upcoming few weeks as the protection provided by vaccines to old people could be faded by time.
Reports expressed that all vaccines are still effective in reducing the risks of death caused by COVID-19.
It is worthy to mention that 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.
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