http://www.newsweek.com/omicron-symptoms-vs-common-cold-difference-top-5-1662942 > COVID cases in the U.S. have been surging over the past several days, driven by the Omicron variant, while the Centers for Disease Control and Prevention (CDC) has also reported that flu is on the rise. > The CDC notes that the symptoms of flu, COVID and other respiratory illnesses can sometimes be similar and that testing is needed to confirm a diagnosis.