J&J shot highly effective against delta variant, South African study finds

"The data are particularly important because it's a study that was done in the most challenging epidemiologic setting, which is a major surge of the Delta variant in Africa," Dan Barouch, MD, PhD, director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center told the Journal.

J&J shot highly effective against delta variant, South African study finds