Table 1. Characteristics of 19 patients with outbreak-related listeriosis associated with packaged leafy green salads, United States, July 5, 2015–January 31, 2016*.

Characteristic	Value
Age, y, median (range)	64 (3–83)
Female sex	14 (74)
Pregnancy-associated cases†	1 (5)
Hospitalization	19 (100)
Death	1 (5)
Listeria monocytogenes culture site
Blood	14 (74)
Cerebrospinal fluid	3 (16)
Placenta	1 (5)
Hip	1 (5)

*Values are no. (%) unless otherwise indicated. 
†A pregnancy-associated case was defined as an illness in a pregnant woman or infant <28 d of age. Cases involving mother–infant pairs are counted as a single case.