
The study titled-Persistence of immunity and impact of a third (booster) dose of an inactivated SARS-CoV-2 vaccine, BBV152; a phase 2, double-blind, randomised controlled trial', found that 90% of the recipients of the booster dose had a "detectable neutralising antibody response" against the wild-type strain six months after the second Covid dose.
from Industry-Economic Times
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