A new COVID-19 variant fueling a rise in cases is causing a new symptom that has not been associated with the virus during the three-plus years of the pandemic.The so-called Arcturus strain — officially known as XBB.1.16 — is believed to be one of the most infectious versions of the Omicron variant to date. According to the Centers for Disease Control and Prevention (CDC) variant tracker, XBB.1.16 United States cases have doubled in the last week.Itchy, red eyes not seen in earlier waves "are symptoms of the new Omicron variant," according to a brand-new report by the Mayo Clinic."One new...