Pfizer vs Moderna COVID-19 Vaccines

COVID-19 Vaccine

Currently, there are two COVID-19 vaccines approved under Emergency Use Authorization by the FDA. There are similarities and differences between these two vaccines. Pfizer vs Moderna COVID-19 Vaccines: which one to get? Read below to find out more information!

The Pfizer Vaccine

The Pfizer/BioNTech COVID-19 vaccine was the first to be authorized by the FDA. A more detailed article on this vaccine can be found here. The clinical trial data can be accessed here. Highlights of this vaccine are as follows:

  • Vaccine type: mRNA vaccine
  • Effectiveness: 95% effective
  • Number of doses: 2
  • Minimum interval between doses: 21 days
  • Storage: Between -112 to -76 degrees Fahrenheit
  • Minimum age approval: 16 years
  • Number of trial participants: 37,086

The Moderna Vaccine

The Moderna COVID-19 was the second vaccine the FDA authorized. More information may be found here.

  • Vaccine type: mRNA vaccine
  • Effectiveness: 94.1% effective
  • Number of doses: 2
  • Minimum interval between doses: 28 days
  • Storage: Between -13 to -5 degrees Fahrenheit
  • Minimum age approval: 18 years
  • Number of trial participants: 30,420

What about the side effects?

The most common side effects reported by both vaccines include:

  • Injection site pain/redness
  • Fatigue
  • Headache
  • Muscle pain
  • Chills
  • Joint pain
  • Fever

Serious allergic reactions have occurred for both vaccines. However, the rate of these reactions is still very low. The rate will most likely decrease as more people get vaccinated.

Pfizer vs Moderna Vaccines: which vaccine should I get?

At this time, it is best to get whatever vaccine is available to you. Remember, it is very important to finish the two dose series with the same company!

Oak Brook Allergists will continue to update you with important information regarding vaccines when it becomes available. If you have further questions, please call us at (630) 574-0460 or by filling out our appointment request form online now. We have convenient locations in Downers Grove, Elmhurst, Naperville, and Plainfield.