Delta Variant Can Shatter Vaccine Cover, Single Dose of Pfizer, AstraZeneca 'Barely' Give Protection: Study

If a person has taken two regular doses of Covishield or Covaxin, then a third dose of Sputnik V in the form of a booster will be good and helpful, a doctor suggested.

from Top India News- News18.com https://ift.tt/3ANJv0O