Experts warn of worrying Covid symptom as new strain sweeps world at ‘fast pace’ Posted on May 3, 2023 By Charlielikes Experts are concerned with highly infectious XBB.1.16 variant, which could bring back mask-wearing in the UK, as it spreads across 33 countries including the United States and India news Tags:– as, ‘new, ‘fast, ‘world, at, covid, experts, news, of, pace, strain, sweeps, symptom, topnews, trending, warn, worrying