Investigation Update: Multistate Outbreak of Human Typhoid Fever Infections Associated with Frozen Mamey Fruit Pulp

Confirmed and probable cases infected with the outbreak strain of Salmonella Typhi, by state, as of August 20, 2010 (n=9)

As of 9:00am EDT on August 20, 2010, a total of 9 individuals infected with a matching strain of Salmonella serotype Typhi have been reported from 2 states since May 25, 2010. The number of ill persons identified in each state with this strain is as follows: CA (5) and NV (4).

Among persons with reported illness onset dates available, illnesses began between April 10, 2010, and July 25, 2010. Infected individuals range in age from 4 to 31 years old and the median age is 21 years. Sixty-seven percent (67%) of cases are female and 100 percent report Hispanic ethnicity. Among 9 patients with available clinical information, 7 (78%) were hospitalized. Eight (89%) of 9 patients reported no international travel in the 60 days prior to illness onset. As of August 20, 2010, no deaths attributed to this infection have been reported.