As of September 21, 2015, a total of 558 people infected with the outbreak strains of Salmonella Poona have been reported from 33 states. The number of ill people reported from each state is as follows: Alaska (12), Arizona (95), Arkansas (8), California (120), Colorado (17), Hawaii (1), Idaho (20), Illinois (8), Indiana (2), Iowa (1), Kansas (2), Kentucky (1), Louisiana (4), Minnesota (29), Missouri (9), Montana (14), Nebraska (5), Nevada (11), New Mexico (27), New York (5), North Dakota (3), Ohio (2), Oklahoma (12), Oregon (17), Pennsylvania (2), South Carolina (8), South Dakota (1), Texas (24), Utah (46), Virginia (1), Washington (18), Wisconsin (29), and Wyoming (4).

Among people for whom information is available, illnesses started on dates ranging from July 3, 2015 to September 11, 2015. Ill people range in age from less than 1 year to 99, with a median age of 16. Fifty-two percent of ill people are children younger than 18 years. Fifty-four percent of ill people are female. Among 387 people with available information, 112 (29%) report being hospitalized. Three deaths have been reported from Arizona (1), California (1) and Texas (1).

Epidemiologic, laboratory, and traceback investigations have identified cucumbers imported from Mexico and distributed by Andrew & Williamson Fresh Produce as a likely source of the infections in this outbreak.