E. coli O157 — the kind that has affected spinach this week — is a very virulent strain. There are typically a few hundred cases of E. coli-caused illnesses a year, but only 25 or so represent cases where there are multiple victims from a single source. Dr. Patricia M. Griffin, acting chief of the Enteric Diseases Epidemiology Branch of the Centers for Disease Control and Prevention, offers a primer on E. Coli.
Doctor Offers Primer on E. Coli Bacteria
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