US Surgeon General Dr. Vivek Murthy says he is concerned that the Detla variant of Covid-19 is behind the rise in cases of coronavirus in the US and warned that the unvaccinated are at risk because it..
Dr. Anthony Fauci says the rise in coronavirus from the Delta variant in certain part of the US “is entirely avoidable, entirely preventable” if more people in those areas would get the Covid-19..
The delta variant now accounts for the vast majority of new cases in the United Kingdom, where hospitalizations and deaths continue to climb. WBZ-TV's Dr. Mallika Marshall reports.