Understanding COVID-19 Vaccine Effectiveness

Dr. Sree answers some common questions about how the two FDA-authorized vaccines work to protect people from COVID-19.

In this video, Dr. Sree Chaguturu, MD, answers these questions:

• Are the two currently FDA-authorized vaccines equally effective?
• Can I choose which vaccine I get?
• Will I still be protected from the virus if I’m late getting the second vaccine dose? What if I don’t get the second dose at all?
• After I get the second dose, how long before the vaccine takes effect?
• The virus continues to mutate; will the vaccine work on new strains?
• How often will I need to get the COVID-19 vaccination?

Go back to the COVID-19 PBM Partner Resource Center >