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Photo image of NIH study on COVID-19 in search of volunteers

A clinical trial is seeking volunteers ages 12-69 to investigate allergic reactions to the mRNA COVID vaccines in people with and without allergies.

To be eligible, volunteers must:

  • have a history of serious allergic reactions
  • have a mast cell disorder
  • have no severe allergies

Participants will receive either the Pfizer/BioNTech or Moderna COVID-19 vaccine as part of the clinical trial.

Find a trial site near you.

Sponsored by the National Institute of Allergy and Infectious Diseases