B.1.1.7 coronavirus variant more transmissible but does not increase disease severity, two new studies suggest

The findings clash with separate research that previously suggested the variant may be tied to a higher risk of dying from Covid-19. One of the studies, published on Monday in The Lancet Infectious Diseases, found no evidence in a sample of hospitalized patients that the B.1.1.7 variant is associated with severe Covid-19. However, the variant […]