Temember that public polls about topics which the public has no specific expertise are primarily a poll of the effectiveness of earlier propaganda messaging:

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.

Source: AP-NORC poll: Americans harbor strong fear of new infections

Hysterical fear mongering, doom and gloom reporting based on speculation about highly unlikely future scenarios leads to mass public fear. There is no surprise in this. Thus this poll is measuring the effectiveness of hysterical fear mongering, doom and gloom reporting and not much else.