by University of Cambridge Colorized scanning electron micrograph of a dying cell (blue) heavily infected with SARS-CoV-2 (yellow), the virus that causes COVID-19. Credit: NIAID Integrated Research Facility, Fort Detrick, Maryland. When a person is infected with SARS-CoV-2, the virus that causes COVID-19, it invades their cells and uses them to replicate—which puts the cells under...
