ACE2 and infection: The worldwide COVID-19 pandemic resulted in the death of millionsof people from infection, with more enduring secondary impacts.9,10 Severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2)virus and its variants recognize cells by binding their spike proteinwith high affinity to the angiotensin-converting enzyme 2 (ACE2) inthe lung cells through its receptor-binding domain (RBD).