`` This will hopefully help us pinpoint the source of this outbreak . '' NEW : Discovery called a `` significant break '' in outbreak investigation . Strain is David Acheson , which has sickened Two recently . Division of Foodborne : Pepper grown in Mexico , but origin of bacteria uncertain . Bacteria were found at distribution center in Texas , McAllen .
NEW : Discovery called a `` significant break '' in outbreak investigation . Strain is David Acheson , which has sickened Two recently . Division of Foodborne : Pepper grown in Mexico , but origin of bacteria uncertain . Bacteria were found at distribution center in Texas , McAllen .