Jha

Covid booster doses are currently not required, said the dean of the School of Public Health at Brown University on Friday, as highly transmissible new variants test the protection of available vaccines."Let me tell you where we are: the…

Dr. Ashish Jha told CNBC's "The News with Shepard Smith" on Tuesday that US states could make decisions about opening up businesses and economies earlier than predicted if enough people are vaccinated."My relatively optimistic view is that…