NewslettersImmunology of Infectious Disease News Altered Host Protease Determinants for SARS-CoV-2 Omicron By Laurisa Dohm - January 25, 2023 0 Scientists showed that membrane-type matrix metalloproteinase could cleave SARS-CoV-2 spike and angiotensin-converting enzyme 2, and facilitate spike-mediated fusion. [Science Advances] Full Article