At least 11 states will open vaccine eligibility to all adults this week in a major expansion of COVID-19 shots for tens of millions of Americans amid a worrisome increase in virus cases and concerns about balancing supply and demand for the vaccines.
Meanwhile, the director of the Centers for Disease Control and Prevention said Monday she had a recurring feeling of "impending doom" about a potential fourth wave of coronavirus infections after cases in the U.S.
rose 10% over the last week. She pleaded with Americans not to relax preventative practices such as social distancing measures and mask-wearing. “Just please hold on a little while longer," Dr.