a close up of a bunch of brown and yellow stuff

Novel Coronavirus SARS-CoV-2 (Omicron) Colorized scanning electron micrograph of a cell (brown) infected with the Omicron strain of SARS-CoV-2 virus particles (orange), isolated from a patient sample. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. Credit: NIAID https://www.flickr.com/photos/niaid/52675842325/