Researchers have identified a possible cause for milder infections being recorded worldwide by those with the Omicron variant of the coronavirus. Experiments have shown that Omicron is more sensitive to a certain immune response of humans than the Delta variant, researchers in Germany and the UK wrote in the Cell Research journal on Monday. “Our study provides for the first time an explanation, why Omicron infections are less likely to cause severe disease,” said Martin Michaelis from the School of Bioscience at the UK’s University of Kent, whose team carried out the research with Germany’s Un…