Men have high levels of enzyme key to COVID-19 infection, study finds
Angiotensin-converting enzyme 2 (ACE2) is found in the heart, kidneys and other organs.
Italian COVID-19 patient from Bergamo bids farewell from the university clinic Saint Josef in Bochum. May 9, 2020(photo credit: REUTERS/WOLFGANG RATTAY)ByREUTERS