How Far Apart Are Covid-19 Vaccine Doses Taken
COVID-19Common questionHow 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.
Do I need to get two doses of the COVID-19 vaccine?
The available data continue to support the use of two specified doses of each authorized vaccine at specified intervals. For the Pfizer-BioNTech COVID-19 vaccine, the interval is 21 days between the first and second dose. And for the Moderna COVID-19 vaccine, the interval is 28 days between the first and second dose.
FDA Statement on Following the Authorized Dosing Schedules for COVID-19 Vaccines | FDA
Is it normal to have side effects after second COVID-19 vaccine?
Side effects after your second shot may be more intense than the ones you experienced after your first shot. These side effects are normal signs that your body is building protection and should go away within a few days.
Possible Side Effects After Getting a COVID-19 Vaccine
What is the effectiveness of the Pfizer COVID-19 vaccine?
A few months later, in February, 2021, the Pfizer-BioNTech vaccine was shown to provide strong protection to recipients in the real world, too; it was 94% effective against symptomatic disease (after two doses of the vaccine) in a study conducted in Israel—and published in The New England Journal of Medicine.
What’s the Difference Between COVID-19 Vaccine Efficacy and Effectiveness?
What 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.
COVID-19 Vaccine Second-Dose Completion and Interval Between ...