Clinicians have traced the brutal rampage wrought by the coronavirus through the body, from the lungs -- ground zero -- to the heart and blood vessels, kidneys, gut, and brain.The SARS-CoV-2 virus that causes Covid-19 enters human cells by attaching to a cell-surface receptor called angiotensin-converting enzyme 2 (ACE2). Once infected, the virus hijacks a host cell and turns it into a factory, making copies of itself to attack more cells.https://www.graphicnews.com/en/pages/40180/health-how-cor