What Is The Interval Between The First And Second Doses Of The Pfizer And Moderna COVID-19 Vaccines?
COVID-19Common questionWhat is the interval between the first and second doses of the Pfizer and Moderna COVID-19 vaccines?* The recommended interval between the first and second dose is 21 days for Pfizer-BioNTech and 28 days for Moderna; in this study, second doses received 17–25 days (Pfizer-BioNTech) and 24–32 days (Moderna) after the first dose were included.
How far apart are COVID-19 vaccine doses given?
Two doses of Pfizer-BioNTech vaccine should be given 3 weeks (21 days) apart.Two doses of Moderna vaccine should be given 4 weeks (28 days) apart.Only one dose of Johnson & Johnson's Janssen (J&J/Janssen) vaccine should be given.
Frequently Asked Questions about COVID-19 Vaccination
How soon can you get your second mRNA COVID-19 shot after the first?
You should get your second shot as close to the recommended 3-week or 4-week interval as possible. However, your second dose may be given up to 6 weeks (42 days) after the first dose, if necessary. You should not get the second dose early.
COVID-19 Vaccines that Require 2 Shots
Should the COVID-19 booster shot be the same brand as the first and second doses?
Currently, the CDC doesn't have a "product preference" on one booster over the other -- noting that it's generally recommended to stick to the same brand for primary and second vaccine series, but people can choose whichever booster they'd like, or get the one available to them.
Which booster should I get? What to know about mixing vaccines - CNET
When should you take the second COVID-19 vaccine?
The timing between your first and second shots depends on which vaccine you received. If you received the Pfizer-BioNTech COVID-19 Vaccine, you should get your second shot 3 weeks (or 21 days) after your first.
COVID-19 Vaccines that Require 2 Shots