What is COVID-19 and SARS-CoV-2?
COVID-19 is the disease caused by Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
This scanning electron microscope image shows SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. The virus shown was isolated from a patient in the U.S. Image captured and colorized at NIAID’s Rocky Mountain Laboratories (RML) in Hamilton, Montana. Credit: NIAID