Epi Curves

Multistate Outbreak of Listeriosis Linked to Commercially Produced, Prepackaged Caramel Apples Made from Bidart Bros. Apples (Final Update)

Posted February 12, 2015 4:30 PM ET

This investigation is closed, and the shelf life of recalled products has passed. Read the Advice to Consumers to learn about products that were recalled.

Current Epi Curve

This outbreak can be visually described with a chart showing the number of persons who were diagnosed each week. This chart is called an epi curve.

Persons infected with the outbreak strains of Listeria monocytogenes, by isolation date*

Epi Curve, February 12, 2015

*n=35 for whom information was reported as of February 12, 2015.

Previous Epi Curves

Persons infected with the outbreak strains of Listeria monocytogenes, by isolation date*

Epi Curve, December 29, 2014

*n=32 for whom information was reported as of December 30, 2014. 

Illnesses that began after December 14, 2014 might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2 to 4 weeks.

Persons infected with the outbreak strains of Listeria monocytogenes, by isolation date*

Epi Curve, December 22, 2014

*n=29 for whom information was reported as of December 22, 2014. 

Illnesses that began after December 7, 2014 might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2 to 4 weeks.

Persons infected with the outbreak strains of Listeria monocytogenes, by isolation date*

Epi case count, click for more details.

*n=28 for whom information was reported as of December 18, 2014. 

Illnesses that began after December 3, 2014 might not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2 to 4 weeks.