Why Two Doses of COVID-19 Vaccine for Pfizer and Moderna?

What Happens If I Miss My Second Dose of COVID-19 Vaccine? 2nd dose vaccine The first dose of Pfizer-BioNTech COVID-19 Vaccine is administered three weeks after receipt of the previous dose and the second dose is 2nd dose vaccine Therefore, people who get both their COVID vaccine doses are said to be fully vaccinated and protected

mahalakshmi vaccines They should then receive a second dose before entering elementary school Your baby can get their childhood vaccines at their