COVID-19 cases climbing, wiping out months of progress

Medical staff tend to a patient with coronavirus, on a COVID-19 ward inside the Willis-Knighton Medical Center Aug. 18 in Shreveport, La. (AP Photo/Gerald Herbert, File)

A syringe is prepared with the Pfizer COVID-19 vaccine at a clinic Sept. 14 at the Reading Area Community College in Reading, Pa. (AP Photo/Matt Rourke, File)

COVID-19 deaths and cases in the U.S. have climbed back to levels not seen since last winter, erasing months of progress and potentially bolstering President Joe Biden’s argument for his sweeping new vaccination requirements.