ACE2 and COVID-19: While much of the pathogenesis of COVID‐19 remains to be unravelled, it is known that SARS‐CoV‐2, like SARS‐CoV, binds to host cells via its receptor, angiotensin converting enzyme 2 (ACE2), which is expressed across a wide range of human cell types including lung type II pneumocytes and the endothelium of blood vessels.7, 8