An ACE2-IgG4 Fc Fusion Protein Demonstrates Strong Binding to All Tested SARS-CoV-2 Variants and Reduced Lung Inflammation in Animal Models of SARS-CoV-2 and Influenza oleh Emmanuel Merigeon, Dong Yang, Elizabeth Ihms, Leda Bassit, Elizabeth Fitzpatrick, Colleen Jonsson, Raymond Schinazi, David Block, Henrik Olsen