File:Escherichia coli O157-H7 CDC ID-10071.tif

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:21, 15 April 2017		2,835 × 1,927 (6.84 MB)	commons>Ww2censor	== {{int:filedesc}} == {{Information \|Description={{en\|Under a high magnification of 10961x, this colorized scanning electron microscopic (SEM) image depicted a number of Gram-negative Escherichia coli bacteria of the strain O157:H7. E. coli O157:H7 is...

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Image title	2006 National Escherichia, Shigella, Vibrio Reference Unit at CDC Under a high magnification of 10961x, this colorized scanning electron micrograph (SEM) depicted a number of Gram-negative <i>Escherichia coli</i> bacteria of the strain O157:H7. <i>E. coli</i> O157:H7 is one of hundreds of strains of this bacterium. Although most strains are harmless, and live in the intestines of healthy humans and animals, this strain produces a powerful toxin, which can cause severe illness.<p><i>E. coli</i> O157:H7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea; the outbreak was traced to contaminated hamburgers. Since then, most infections have come from eating undercooked ground beef.<p>The combination of letters and numbers in the name of the bacterium refers to the specific markers found on its surface, which distinguishes it from other types of <i>E. coli</i>. See PHIL 8797 for a black and white version of this image. <i>Escherichia coli</i> O157:H7 is an emerging cause of foodborne illness. An estimated 73,000 cases of infection, and 61 deaths occur in the United States each year. Infection often leads to bloody diarrhea, and occasionally to kidney failure. Most illness has been associated with eating undercooked, contaminated ground beef. Person-to-person contact in families and child care centers is also an important mode of transmission. Infection can also occur after drinking raw milk, and after swimming in, or drinking sewage-contaminated water.<p>Consumers can prevent <i>E. coli</i> O157:H7 infection by thoroughly cooking ground beef, avoiding unpasteurized milk, and washing hands carefully. Because the organism lives in the intestines of healthy cattle, preventive measures on cattle farms and during meat processing are being investigated.
Author	Photographer: Janice Carr
Copyright holder	http://www.cdc.gov/ncidod/dbmd/diseaseinfo/escherichiacoli_g.htm CDC - National Center for Infectious Diseases; Division of Bacterial and Mycotic Diseases; <i>Escherichia coli</i> O157:H7
Width	2,835 px
Height	1,927 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Number of rows per strip	15
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS2 Windows
File change date and time	09:37, 28 December 2007
Date and time of digitizing	09:37, 28 December 2007
Color space	0

File:Escherichia coli O157-H7 CDC ID-10071.tif

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