There are differences between the vaccine types, but all three vaccines currently authorized by the Food and Drug Administration (FDA) are highly effective based on trials. If you are aged 6 months to 17 years, the Pfizer and Moderna COVID-19 are the only FDA authorized vaccine you to received. Adults can receive any of the three available COVID-19 vaccines in the United States, Pfizer, Moderna, or Johnson & Johnson.
|Vaccine type:||Age Requirements||Doses required||Recommended Time Between Doses|
|Pediatric Pfizer||6 months – 4 years||3||21 days between 1st and 2nd, then 56 days between 2nd and 3rd|
|Pediatric Pfizer: mRNA vaccine|| 5 – 11 years
|Pfizer: mRNA vaccine||12+||2||21 days|
|Pediatric Moderna: mRNA vaccine||6 months – 17 years||2||28 days|
|Moderna: mRNA vaccine||18+||2||28 days|
|Johnson & Johnson: Viral vector vaccine||18+||1||N/A|
You can talk with your medical provider if you have specific questions or concerns that may lead you to want to seek out one specific COVID-19 vaccine versus another. If you are aged 6 months to 17 years old, you may only receive the Pfizer or Moderna vaccine.
View the FDA fact sheets on each vaccine:
Pfizer-BioNTech COVID-19 Vaccine Fact Sheet
Moderna COVID-19 Vaccine Fact Sheet
Johnson & Johnson/Janssen COVID-19 Vaccine Fact Sheet