India not close to herd immunity yet, threat of 2nd wave lingers: Experts

Sero survey showed that merely 22% people were infected. Therefore, a large part of the population is still vulnerable,' says a former ICMR official

Sero survey showed that merely 22% people were infected. Therefore, a large part of the population is still vulnerable,' says a former ICMR official https://ift.tt/3bolYaO February 20, 2021 at 05:26PM