COVID-19 vaccine booster shots might be needed to tackle new variants: AIIMS Chief

"It seems that we probably need the booster dose of vaccines as with the passage of time the immunity tends to fall. There is waning immunity. We would like to have a booster dose that will cover for various emerging variants," said Dr Guleria.

https://ift.tt/eA8V8J "It seems that we probably need the booster dose of vaccines as with the passage of time the immunity tends to fall. There is waning immunity. We would like to have a booster dose that will cover for various emerging variants," said Dr Guleria. from Zee News :India National https://ift.tt/2V9sM7s