Posted March 7, 2014 4:15 PM ET
Multistate Outbreak of Listeriosis Linked to Roos Foods Dairy Products
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-associated strain of Listeria monocytogenes, by date of clinical specimen collection*
*8 persons were ill with the outbreak strain of Listeria monocytogenes. Two mother-newborn pairs (4 ill persons) are each represented by a single clinical specimen collection date.