By Staff

BOSTON (CBS) – Researchers are looking for volunteers in a new type of COVID-19 trial.

The National Institute of Allergy and Infectious Diseases wants to see if it is safe to mix vaccines from different drug makers.

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Volunteers need to be at least 18 years old and have already received the Pfizer, Moderna, or Johnson & Johnson vaccine.

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Scientists will look at the effects of mixing boosters.

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Click here for more information. Staff