Based on electron microscopic (EM) imagery, this three-dimensional (3D) illustration provides a graphical representation of a single norovirus virion, set against a beige background. The different colors represent different regions of the organism’s outer protein shell, or capsid.

a close up of a candy bead on a white surface

Norwalk Virus 3D print of Norwalk virus, a type of norovirus. Noroviruses are the most common cause of acute gastroenteritis (infection of the stomach and intestines) in the United States. For more information, visit the NIH 3D Print Exchange at 3dprint.nih.gov. Credit: NIH https://www.flickr.com/photos/niaid/14550066332/

National Institute of Allergy and Infectious Diseases

Visualization of the coronavirus causing COVID-19

Fusion Medical Animation

Transparent flask with liquid inside and a 2019-NCOV label taped on it. Landscape version here: https://unsplash.com/photos/gj4HyoAWrCE


Vincent Ghilione

woman in black long sleeve shirt using laptop computer

engin akyurt

Daniel Tafjord

black flat screen computer monitor on white desk

Isaac Quesada

white toilet paper roll on brown wooden table