WASHINGTON - Dr. Anthony Fauci said the increasing spread of multiple coronavirus variants in the U.S. should serve as a "wake-up call," stressing the need for vaccine companies to be ready to make new versions of the shots as the country works to quickly vaccinate as many people as possible.
The government’s top infectious disease expert made the comments Friday during a White House coronavirus briefing with the new U.S.
Centers for Disease Control and Prevention director, who said the country "should be treating every case as if it's a variant."Scientists have been closely following worrisome new variants circulating around the world, complicating efforts to combat the pandemic.