Could common vaccine given to kids help prevent COVID-19 in adults?
A boy gets a vaccine from a nurse in a handout photo. REUTERS/Newscom

ST. LOUIS — Washington University School of Medicine is helping lead an ambitious, worldwide study to see if giving adults the measles, mumps and rubella vaccine — a common vaccine administered to young children — could help protect against infection from the coronavirus.The study aims to enroll up to 30,000 health care workers globally, including 500 to 1,000 in the St. Louis area.Washington University is leading the trial along with the University College London and the University of the Witwatersrand in Johannesburg.The MMR vaccine was approved nearly 50 years ago and has since been given s...

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