Sarah Gupta, MD September 16, 2020, 8:22AM (PT) COVID-19 is caused by a brand new coronavirus (officially named “SARS-CoV-2”). So far, there’s a lot we know about COVID-19: what causes it, common symptoms, and how it spreads. But the virus has only been around for about 9 months. And because it’s so new, scientists and doctors are...
