Concerns for a second wave

Jason Godbey hangs a banner over the entrance of Madison Chop House Grille on April 27 as they prepare to shift from take out only to dine-in service in Madison, Ga. (AP Photo/John Bazemore, File)

DES MOINES, Iowa — Strong concern about a second wave of coronavirus infections is reinforcing widespread opposition among Americans to reopening public places, a new poll finds, even as many state leaders step up efforts to return to life before the pandemic.