More than 20 states report coronavirus spikes as experts warn of fall, winter surge

New coronavirus cases increased over the past week by at least 10 percent, predominantly in 21 Western states, according to a CNN analysis.Alabama, Alaska, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, Nevada, New Jersey, New Mexico, North Carolina, North Dakota, Oregon, South Carolina, South Dakota, Texas, Utah, Washington state, Wisconsin and Wyoming have all seen increases in the virus, the analysis found, based on data from Johns…