IE 11 is not supported. For an optimal experience visit our site on another browser.

Dr. Fauci: Delta variant is ‘greatest threat’ to eliminating Covid in U.S.

01:46

As of June 19th, more than 20 percent of new Covid cases were caused by the more-dangerous delta variant. In a White House Covid response team press briefing, Dr. Anthony Fauci said the new variant threatens the United States’ ability to eliminate the virus, but, he added, vaccines remain effective.