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Image of the Week: Another look at E. coli

A particularly nasty strain of E. coli was in the news this week, so we thought we'd give you another look at E. coli up close. This is a scanning electron micgrograph showing a single Gram-negative bacterium. It has been magnified 22,409 times. This particular strain, enterotoxigenic E. coli, is a common cause of bacterial diarrhea.

Previously: Why it’s hard to pinpoint the source of an E. coli outbreak, The Big Picture captures the E. coli outbreak in Europe, and Image of the Week: What E. coli looks like
Photo courtesy CDC and is a U.S. Government Work

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