However, a third top-up dose does seem to boost immunity against the new variant, based on an analysis of data from 581 Omicron cases.
from Top World News- News18.com https://ift.tt/3DW6EOZ
https://ift.tt/eA8V8J
from Top World News- News18.com https://ift.tt/3DW6EOZ
https://ift.tt/eA8V8J