Can You Mix COVID-19 Vaccines?
COVID-19Common questionCan you mix COVID-19 vaccines?Mixing and matching is OK for boosters Through the FDA's authorization and the CDC's recommendation, heterologous boosting—aka “mixing and matching”—is allowed with a single dose of any of the authorized COVID-19 vaccine boosters.
Are there any COVID-19 vaccine products interchangeable?
Interchangeability of COVID-19 vaccine products Any currently FDA-approved or FDA-authorized COVID-19 vaccine can be used when indicated; ACIP and CDC do not state a product preference. In general, primary series and additional doses should be with the same vaccine product.
Interim Clinical Considerations for Use of COVID-19 Vaccines
Is it better to get a different brand of COVID-19 vaccine than 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
Is the Pfizer and Moderna COVID-19 vaccine interchangeable?
You should not get the second dose earlier than the recommended interval. COVID-19 vaccines are not interchangeable for your COVID-19 vaccine primary series. If you received a Pfizer-BioNTech or Moderna COVID-19 vaccine for your first shot, you should get the same product for your second shot.
Frequently Asked Questions about COVID-19 Vaccination
Who should not take the Pfizer-BioNTech COVID-19 vaccine?
If you have had a severe allergic reaction to any ingredient in the Pfizer-BioNTech COVID-19 vaccine (such as polyethylene glycol), you should not get this vaccine. If you had a severe allergic reaction after getting a dose of the Pfizer-BioNTech COVID-19 vaccine, you should not get another dose of an mRNA vaccine.
Pfizer-BioNTech COVID-19 Vaccine Overview and Safety