Coronavirus vaccination: Can a single shot of COVID vaccine protect you against the Delta variant? Experts say ‘barely’


When it comes to COVID-19, the requirement for a booster shot is still under talks. While the mutating COVID strains only add to the woe of the people and health officials, the efficacy of booster shots and whether we need it at all requires proper investigation and evidence.

As of now, Pfizer BioNTech are looking forward to seeking federal regulatory approval for a booster shot that is said to trigger antibodies 5 to 10 times higher than the two doses of COVID vaccines.

The statement released by the company read, “We continue to believe that it is likely, based on the totality of the data we have to date, that a third dose may be needed within 6 to 12 months after full vaccination.”

“While protection against severe disease remained high across the full 6 months, the observed decline in efficacy against symptomatic disease over time and the continued emergence of variants are key factors driving our belief that a booster dose will likely be necessary to maintain highest levels of protection,” they added.

Read more: Coronavirus vaccination: Is there a need for a COVID booster shot? Here’s what WHO has to say



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