Centers for Disease and Control Prevention (CDC) Director Rochelle Walensky on Monday suggested Michigan “close things down” as part of an effort to curb the state’s rising number of coronavirus cases. “When you have an acute situation, an extraordinary number of cases like we have in Michigan, the answer is not necessarily to give vaccines — in fact, we know the vaccine will have a delayed response,” Walensky said in a briefing with reporters. “The answer to that is to really close things down, to go back to our basics, to go back to where we were last spring, last...