Multistate Outbreak of Listeriosis Linked to Imported Frescolina Marte Brand Ricotta Salata Cheese

Posted October 12, 2012 3:30 PM ET

Current Epi Curve

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

Persons infected with the outbreak-associated strain of Listeria monocytogenes, by date of clinical specimen collection*

*n=20 for whom information was reported as of October 11, 2012. Clinical specimens that were collected after September 24, 2012 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.

« Read the full Outbreak Investigation

Previous Epi Curve

Epi Curve: September 26, 2012

Persons infected with the outbreak-associated strain of Listeria monocytogenes, by date of clinical specimen collection*

*n=18 for whom information was reported as of September 26, 2012. Clinical specimens that were collected after September 8, 2012 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.

Epi Curve: September 20, 2012

Persons infected with the outbreak-associated strain of Listeria monocytogenes, by date of clinical specimen collection*

*n=15 for whom information was reported as of September 20, 2012. Clinical specimens that were collected after September 4, 2012 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.  

Epi Curve: September 11, 2012

Persons infected with the outbreak-associated strain of Listeria monocytogenes, by date of clinical specimen collection*

*n=14 for whom information was reported as of September 11, 2012. Clinical specimens that were collected after August 26, 2012 might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported.