Note the 'Star of David' image exhibited by individual virus particles. This is distinct from the star-like images exhibited by astrovirus particles. Bar = 50 nanometers.

Source: Stool sample from an individual with gastroenteritis.

Method: Negative-stain Transmission Electron Microscopy

PD - Photo Credit: F.P. Williams, U.S. EPA - http://www.epa.gov/nerlcwww/calici.htm

	This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
	العربية ∙ Deutsch ∙ English ∙ eesti ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ polski ∙ português ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ українська ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−