The second vaccine safety trial for coronavirus is underway in the US using a skin-deep shot instead of the usual deeper jab injected into the muscle.
The pinch should feel like a simple skin test, a researcher told one of the 40 volunteers lying on an exam table in Kansas City, Missouri, on Wednesday.
‘It’s the most important trial that we’ve ever done,’ Dr John Ervin of the Center for Pharmaceutical Research told The Associated Press afterward.