TAG: Pfizer

Booster: Covid 19 Vaccine Booster

Raina Rahul Agarwal 22 Dec, 2021 Health & Fitness No Comments

What Is Covid 19 Booster The Covid booster shot is an additional dose of vaccine that the protection provided by the original shots (s) tends to decrease over time. In general, we will get a booster after the initial dose of the immune system starts…Read more