(IMAGE) Tokyo Medical and Dental University Caption Individuals with the T allele at rs13050728 in the IFNAR2/IL10RB locus, which is strongly associated with COVID-19 severity, have high expression of the “hybrid” receptor CiDRE. In addition, in human alveolar macrophages with the T/T genotype, CiDRE enhances IL-10 signaling and attenuates type I IFN signaling as a decoy receptor, promoting severe COVID-19. Credit Department of Immunology, TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.