29-07-2021, 09:24 PM
Pfizer AstraZeneca COVID Vaccine Antibody Levels May Decline In 2-3 Months: Lancet Study Total antibody concentrations start to decline in the sixth week after complete immunisation with Pfizer and AstraZeneca vaccine.that a...
https://www.republicworld.com/world-news...study.html
quarantine should be a must,
will sg make the same mistake?
https://www.republicworld.com/world-news...study.html
quarantine should be a must,
will sg make the same mistake?