Summary of Notifiable Diseases,
United States 1996


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Escherichia coli O157:H7 - reported cases, United States and territories, 1996

The number of states in which E. coli O157:H7 infection is a notifiable disease increased from 39 in 1995 to 44 in 1996. However, because less than 60% of clinical laboratories routinely test all stools - or even bloody stools - for E. coli O157:H7, many infections are not recognized or reported.