Fig.2 (IMAGE) Osaka University Caption Neutralization of SARS-CoV-2 Omicron variants by ACEw decoy (left) and therapeutic effect of ACE2 decoy in COVID-19 mice model Credit 2022 Nariko Ikemura et al. An engineered ACE2 decoy neutralizes the SARS-CoV-2 Omicron variant and confers protection against infection in vivo. Science Translational Medicine Usage Restrictions No restrictions. License CC0 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.