Moderna Vaccine

The FDA has authorized the emergency use of the Moderna COVID-19 Vaccine to prevent COVID-19 in individuals 18 years of age and older under an Emergency Use Authorization (EUA). It has been shown to prevent COVID-19 following 2 doses given 1 month apart.

I Want More Information on the Moderna Vaccine

What Should You Mention to Your Vaccination Provider Before You Get the Moderna COVID-19 Vaccine?

Tell your vaccination provider about all of your medical conditions, including if you:

  • Have any allergies
  • Have a fever
  • Have a bleeding disorder or are on a blood thinning medication
  • Are immunocompromised or are on a medicine that affects your immune system
  • Are pregnant or plan to become pregnant
  • Are breastfeeding
  • Have received another COVID-19 vaccination

Who should NOT get the Moderna COVID-19 Vaccine?

You should not get the Moderna COVID-19 vaccine if:

  • You had a severe allergic reaction after a previous dose of this vaccine
  • You had a severe allergic reaction to any ingredient of this vaccine

How is the COVID-19 Vaccine Given?

The Moderna COVID-19 Vaccine will be given to you as an injection into the muscle.

The Moderna COVID-19 Vaccine vaccination series is 2 doses given 1 month apart.

If you receive one dose of the Moderna COVID-19 Vaccine, you should receive a second dose of the same vaccine 1 month later to complete the vaccination series.

Has the Moderna COVID-19 Vaccine Been Used Before?

The Moderna COVID-19 Vaccine is an unapproved vaccine. In clinical trials, approximately 15,400 individuals 18 years of age and older have received at least 1 dose of the Moderna COVID-19 Vaccine.

What Are the Benefits of the Moderna COVID-19 Vaccine?

In an ongoing clinical trial, the Moderna COVID-19 Vaccine has been shown to prevent COVID-19 following 2 doses given 1 month apart. The duration of protection against COVID-19 is currently unknown.

What Are the Risks of the Moderna COVID-19 Vaccine?

Side effects that have been reported with the Moderna COVID-19 Vaccine include:

  • Injection site reactions: pain, tenderness and swelling of the lymph nodes in the same arm of the injection, swelling (hardness), and redness.
  • General side effects: fatigue, headache, muscle pain, joint pain, chills, nausea and vomiting, and fever.

There is a remote chance that the Moderna COVID-19 Vaccine could cause a severe allergic reaction. A severe allergic reaction would usually occur within a few minutes to one hour after getting a dose of the Moderna COVID-19 Vaccine. For this reason, your vaccination provider may ask you to stay at the place where you received your vaccine for monitoring after vaccination. Signs of a severe allergic reaction can include:

  • Difficulty breathing
  • Swelling of face and throat
  • Rapid heartrate
  • A bad rash all over your body
  • Dizziness and weakness

These may not be all the possible side effects of the Moderna COVID-19 Vaccine. Serious and unexpected side effects may occur. The Moderna COVID-19 Vaccine is still being studied in clinical trials.

What should I do about side effects?

If you experience a severe allergic reaction, call 9-1-1, or go to the nearest hospital.

Call the vaccination provider or your healthcare provider if you have any side effects that bother you or do not go away.

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Pfizer-BioNTech Vaccine

The FDA has authorized the emergency use of the Pfizer-BioNTech COVID-19 Vaccine to prevent COVID-19 in individuals 12 years of age and older under an Emergency Use Authorization (EUA). It has been shown to prevent COVID-19 following 2 doses given 3 weeks apart.

I Want More Information on the Pfizer-BioNTech Vaccine

What Should You Mention to Your Vaccination Provider Before You Get the Pfizer-BioNTech COVID-19 Vaccine?

Tell the vaccination provider about all of your medical conditions, including if you:

  • have any allergies
  • have a fever
  • have a bleeding disorder or are on a blood thinner
  • are immunocompromised or are on a medicine that affects your immune system
  • are pregnant or plan to become pregnant
  • are breastfeeding
  • have received another COVID-19 vaccine
  • have ever fainted in association with an injection

Who should NOT get the Pfizer-BioNTech COVID-19 Vaccine?

You should not get the Pfizer-BioNTech COVID-19 vaccine if:

  • You had a severe allergic reaction after a previous dose of this vaccine
  • You had a severe allergic reaction to any ingredient of this vaccine

How is the Pfizer-BioNTech COVID-19 Vaccine Given?

The Pfizer-BioNTech COVID-19 Vaccine will be given to you as an injection into the muscle.

The Pfizer-BioNTech COVID-19 Vaccine vaccination series is 2 doses given 3 weeks apart.

If you receive one dose of the Pfizer-BioNTech COVID-19 Vaccine, you should receive a second dose of this same vaccine 3 weeks later to complete the vaccination series.

Has the Pfizer-BioNTech COVID-19 Vaccine Been Used Before?

The Pfizer-BioNTech COVID-19 Vaccine is an unapproved vaccine. In clinical trials, approximately 23,000 individuals 12 years of age and older have received at least 1 dose of the Pfizer-BioNTech COVID-19 Vaccine.

What Are the Benefits of the Pfizer-BioNTech COVID-19 Vaccine?

In an ongoing clinical trial, the Pfizer-BioNTech COVID-19 Vaccine has been shown to prevent COVID-19 following 2 doses given 3 weeks apart. The duration of protection against COVID-19 is currently unknown.

What Are the Risks of the Pfizer-BioNTech COVID-19 Vaccine?

Adverse reactions following the Pfizer-BioNTech COVID-19 Vaccine that have been reported in clinical trials include injection site pain, fatigue, headache, muscle pain, chills, joint pain, fever, injection site swelling, injection site redness, nausea, malaise, and lymphadenopathy.

Severe allergic reactions have been reported following the Pfizer-BioNTech COVID-19 Vaccine during mass vaccination outside of clinical trials.

Additional adverse reactions, some of which may be serious, may become apparent with more widespread use of the Pfizer-BioNTech COVID-19 Vaccine.

What should I do about side effects?

If you experience a severe allergic reaction, call 9-1-1, or go to the nearest hospital.

Call the vaccination provider or your healthcare provider if you have any side effects that bother you or do not go away.

View Full Fact Sheet

Janssen (Johnson & Johnson) Vaccine

The FDA has authorized the emergency use of the Janssen (Johnson & Johnson) COVID-19 Vaccine to prevent COVID-19 in individuals 18 years of age and older under an Emergency Use Authorization (EUA). It has been shown to prevent COVID-19 following 1 dose.

I Want More Information on the Janssen Vaccine

What Should You Mention to Your Vaccination Provider Before You Get the Janssen COVID-19 Vaccine?

Tell your vaccination provider about all of your medical conditions, including if you:

  • Have any allergies
  • Have a fever
  • Have a bleeding disorder or are on a blood thinning medication
  • Are immunocompromised or are on a medicine that affects your immune system
  • Are pregnant or plan to become pregnant
  • Are breastfeeding
  • Have received another COVID-19 vaccine

Who should NOT get the Janssen COVID-19 Vaccine?

You should not get the Janssen COVID-19 vaccine if you had a severe allergic reaction to any ingredient of this vaccine

How is the Janssen COVID-19 Vaccine Given?

The Janssen COVID-19 Vaccine will be given to you as an injection into the muscle.

The Janssen COVID-19 Vaccine vaccination schedule is a single dose.

Has the Janssen COVID-19 Vaccine Been Used Before?

The Janssen COVID-19 Vaccine is an unapproved vaccine. In an ongoing clinical trial, 21,895 individuals 18 years of age and older have received the Janssen COVID-19 Vaccine.

What Are the Benefits of the Janssen COVID-19 Vaccine?

In an ongoing clinical trial, the Janssen COVID-19 Vaccine has been shown to prevent COVID-19 following a single dose. The duration of protection against COVID-19 is currently unknown.

What Are the Risks of the Janssen COVID-19 Vaccine?

Side effects that have been reported with the Janssen COVID-19 Vaccine include:

  • Injection site reactions: pain, redness of the skin and swelling.
  • General side effects: headache, feeling very tired, muscle aches, nausea, and fever.

There is a remote chance that the Janssen COVID-19 Vaccine could cause a severe allergic reaction. A severe allergic reaction would usually occur within a few minutes to one hour after getting a dose of the Janssen COVID-19 Vaccine. For this reason, your vaccination provider may ask you to stay at the place where you received your vaccine for monitoring after vaccination. Signs of a severe allergic reaction can include:

  • Difficulty breathing
  • Swelling of face and throat
  • Rapid heartrate
  • A bad rash all over your body
  • Dizziness and weakness

These may not be all the possible side effects of the Janssen COVID-19 Vaccine. Serious and unexpected effects may occur. The Janssen COVID-19 Vaccine is still being studied in clinical trials.

What should I do about side effects?

If you experience a severe allergic reaction, call 9-1-1, or go to the nearest hospital.

Call the vaccination provider or your healthcare provider if you have any side effects that bother you or do not go away.

View Full Fact Sheet

V-Safe After Vaccination Health Checker

V-safe is a smartphone-based tool that uses text messaging and web surveys to provide personalized health check-ins after you receive a COVID-19 vaccination. Through v-safe, you can quickly tell CDC if you have any side effects after getting the COVID-19 vaccine. Depending on your answers, someone from CDC may call to check on you and get more information. In addition, v-safe will remind you to get your second COVID-19 vaccine dose if you need one.

Learn How To Register