US Food and Drug Administration (FDA) board of advisors recommended booster vaccine shots to older, and high-risk persons who were vaccinated by Pfizer COVID-19 vaccines, media agencies reported on Saturday.
The extra shot will be given six months after being fully vaccinated to increase the body's immunity against the transmissible Delta variant, the board announced on Friday.
FDA's Top Vaccine Official Dr Peter Marks said: "When we are saying people at high risk for occupational exposure, what we will be taking that to mean at FDA is healthcare workers, frontline workers such as teachers, and potentially essential infrastructure workers as well."
Some officials expressed some concerns regarding the third shot, saying that those vaccine doses could save more lives if they are given to the unvaccinated groups.
In the same context, a group of international experts revealed in an article that giving the majority of people booster COVID-19 vaccine shots is not a must currently.
Published in Lancet magazine, the experts highlighted that the protection of the vaccines against the virus’ simple symptoms could be decreased over time, however, it can be effective in restricting death’s risks.
They added that the ordinary shots of the vaccine are safe and effective, in addition, current data showed that giving the majority of people extra or booster vaccine shots could be risky at this phase of the pandemic’s progression. However, scientists highlighted that people would need those extra shots later.
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