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ARS Home Office of Communications Images Photos Feb11





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Image Number D2071-2 It can take just 100 cells of *Salmonella* or *E. coli*to make you sick. Public waterways are routinely tested for signs that these organisms may be present, but current testing methods can’t always detect the pathogens at very low levels. Agricultural Research Service scientists in Watkinsville, Georgia, have combined several laboratory techniques into a new method that can spot the microbes at lower levels than ever before.  Photo by Peggy Greb.  640 pixels wide: (d2071-2.jpg)   Please visit our Image Gallery


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