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.

READ MORE: TD Garden Requiring Vaccination Or Negative COVID Test For Bruins, Celtics Games And Concerts

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

READ MORE: Woman Arrested For Stabbing Morton Hospital Worker

Scientists will look at the effects of mixing boosters.

MORE NEWS: Retired Hudson, New Hampshire, Police Sgt. Donna Briggs Killed By Hit And Run Driver

Click here for more information. Staff