70.0 MB (13.1 MB compressed)
6060 x 4040 pixels
51.3 x 34.3 cm ⏐ 20.2 x 13.5 in (300dpi)
CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY
Illustration of noroviruses moving among microvilli of epithelial cells in the small intestine. Noroviruses are a genus of single-stranded RNA, non-enveloped viruses in the Caliciviridae family. The viruses are transmitted by fecally-contaminated food or water; by person-to-person contact; and through the air with subsequent contamination of surfaces. Noroviruses are the most common cause of viral gastroenteritis in humans, and affect people of all ages.
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