Different Vaccines

Two COVID-19 vaccines have been authorized for emergency use by the Food and Drug Administration (FDA).

Moderna is the COVID-19 Vaccine people will get at our clinics.

Moderna COVID-19 Vaccine Questions and Answers

Moderna

Type of vaccine: mRNA

Number of shots: 2 shots, one month (28 days) apart

How given: Shot in the muscle of the upper arm

Efficacy: Based on evidence from clinical trials, the Moderna vaccine was 94.1% effective at preventing laboratory-confirmed COVID-19 illness in people who received two doses who had no evidence of being previously infected.

Does not contain:

  • Eggs
  • Preservatives
  • Latex
Most common side effects
In the arm where you got the shot  Throughout the rest of your body
Pain Swelling RednessChills Tiredness Headache

View the Vaccine Fact Sheet for Recipients and Caregivers

Pfizer-BioNTech

Type of vaccine: mRNA

Number of shots: 2 shots, 21 days apart

How given: Shot in the muscle of the upper arm

Efficacy (how effective the vaccine is): Based on evidence from clinical trials, the Pfizer-BioNTech vaccine was 95% effective at preventing laboratory-confirmed COVID-19 illness in people without evidence of previous infection.

Does not contain:

  • Eggs
  • Preservatives
  • Latex
Most common side effects
In the arm where you got the shotThroughout the rest of your body
Pain Swelling RednessChills Tiredness Headache

View the Vaccine Fact Sheet for Recipients and Caregivers

Vaccines in Phase 3 Clinical Trials

As of December 28, 2020, large-scale (Phase 3) clinical trials are in progress or being planned for three COVID-19 vaccines in the United States:

  • AstraZeneca’s COVID-19 vaccine
  • Janssen’s COVID-19 vaccine
  • Novavax’s COVID-19 vaccine​