Listeria (Listeriosis)

Multistate Outbreak of Listeriosis Linked to Whole Cantaloupes from Jensen Farms, Colorado

Persons infected with the outbreak-associated strains of Listeria monocytogenes, by state*

chart and map showing persons infected with the outbreak strain of Listeria monocytogenes, by state

*n= 116 for whom information was reported to CDC by 9am EDT on October 11, 2011

As of 9am EDT on October 11, 2011, a total of 116 persons infected with any of the four outbreak-associated strains of Listeria monocytogenes have been reported to CDC from 25 states. All illnesses started on or after July 31, 2011. The number of infected persons identified in each state is as follows: Alabama (1), Arkansas (1), California (1), Colorado (34), Idaho (1), Illinois (1), Indiana (3), Iowa (1), Kansas (7), Louisiana (2), Maryland (1), Missouri (4), Montana (1), Nebraska (6), New Mexico (13), New York (1), North Dakota (1), Oklahoma (11), Oregon (1), South Dakota (1), Texas (17), Virginia (1), West Virginia (1), Wisconsin (2), and Wyoming (3). Twenty-three deaths have been reported: 5 in Colorado, 1 in Indiana, 2 in Kansas, 2 in Louisiana, 1 in Maryland, 1 in Missouri, 1 in Nebraska, 5 in New Mexico, 1 in New York, 1 in Oklahoma, 2 in Texas, and 1 in Wyoming. In addition, one woman pregnant at the time of illness had a miscarriage.State and local health departments in these and other states are investigating other listeriosis illnesses to determine if they are part of this outbreak.