As of May 16, 2014, a total of 11 persons infected with the outbreak strains of Shiga toxin-producing Escherichia coli O157:H7 (STEC O157:H7) have been reported from 4 states.
The number of ill persons identified in each state is as follows: Massachusetts (1), Michigan (5), Missouri (1), and Ohio (4).
60% of ill persons have