File:Novel Coronavirus SARS-CoV-2.jpg

This transmission electron microscope image shows SARS-CoV-2, also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S. Virus particles are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus particles give coronaviruses their name, crown-like.

Source

 * File:Novel Coronavirus SARS-CoV-2.jpg by NIAID-RML / Habitator terrae, Wikimedia Commons. 2020-02-12 / 2020-02-26.