Masks may be more effective than vaccines -CDC director

At a Senate hearing on the U.S. coronavirus response Wednesday, the head of the Centers for Disease Control and Prevention, Dr. Robert Redfield, stressed the importance of wearing a mask to prevent the spread of the virus, despite dismissive comments from President Donald Trump. Subscribe: Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news