CDC warns US faces 'worst fall' ever if Americans ignore COVID-19 guidelines New York Post COVID-19 hotspots and warning for 3 major cities l GMA ABC NewsCDC director warns of 'worst fall' in history if COVID-19 measures aren't followed WUSA9.comThe CDC issues a dire warning for the fall if coronavirus measures are not followed CNNWhat you need to know about COVID-19: CDC issues warning for the fall if safety measures not followed WCVB BostonView Full Coverage on Google News