All of the spinach implicated in the current outbreak has traced back to Natural Selection Foods LLC of San Juan Bautista, California. This determination by the FDA is based on epidemiological and laboratory evidence obtained by multiple states and coordinated by the Centers for Disease Control and Prevention. 

To date, 187 cases of illness due to E. coli O157:H7 infection have been reported to the Centers for Disease Control and Prevention (CDC), including 29 cases of Hemolytic Uremic Syndrome (HUS), 97 hospitalizations and one death.