There are 98 cases in 22 states: Alaska (8), Arizona (5), California (16), Colorado (2), Connecticut (2), Georgia (1), Idaho (10), Illinois (1), Louisiana (1), Michigan (3), Mississippi (1), Missouri (1), Montana (8), New Jersey (7), New York (2), Ohio (3), Pennsylvania (18), South Dakota (1), Tennessee (1), Virginia (1), Washington (5), and Wisconsin (1). The current outbreak is not related to a recent multistate outbreak of E. coli O157:H7 infections linked to leafy greens. People in the previous outbreak were infected with a different DNA fingerprint of E. coli O157:H7 bacteria.
The most recent information collected by the FDA, in conjunction with federal, state, and local partners, indicates that the romaine lettuce that ill people ate was likely grown or originated from the winter growing areas in or around the Yuma region. This region generally supplies romaine lettuce to the U.S. during November-March each year.
The FDA has identified Harrison Farms as the source of the whole-head romaine lettuce that made several people ill at a correctional facility in Alaska. However, the agency has not determined where in the supply chain the contamination occurred. The FDA is examining all possibilities, including that contamination may have occurred at any point along the growing, harvesting, packaging, and distribution chain before reaching the Alaska correctional facility where it was served.