Epi Curves

Listeriosis Linked to Packaged Salads Produced at Springfield, Ohio Dole Processing Facility (Final Update)

Posted March 31, 2016 9:00 AM ET

This outbreak appears to be over. However, Listeria remains an important cause of serious, life-threatening human illness in the United States. For more information about Listeria and steps that people can take to reduce their risk of infection, visit CDC’s Listeria webpage.

People infected with the outbreak strain of Listeria monocytogenes, by week of isolation date*

Epi Curve, March 25, 2016

* n=19 for whom information was reported as of March 25, 2016

** Recall: On January 27, 2016, Dole voluntarily recalled all salad mixes produced in the Springfield, Ohio processing facility.

Previous Epi Curves

People infected with the outbreak strain of Listeria monocytogenes, by week of isolation date*

Epi Curve, February 25, 2016

* n=18 for whom information was reported as of February 25, 2016

People infected with the outbreak strain of Listeria monocytogenes, by week of isolation date*

Epi Curve, January 27, 2016

*n=15 for whom information was reported as of January 27, 2016

People infected with the outbreak strain of Listeria monocytogenes, by week of isolation date*

Epi Curve, January 21, 2016

* n=12 for whom information was reported as of January 21, 20016