Dr. Soumya Swaminathan estimates that about 50-60% of the population will need to be immune to the coronavirus for there to be any protective “herd immunity” effect. This is usually achieved through vaccination and occurs when most of a population is immune to a disease, blocking its continued spread.
from Hindustan Times - topnews https://ift.tt/3hAREv5
via IFTTT
No comments:
Post a Comment