NEW : `` This does not mean that the pepper was contaminated in Mexico , '' he said . Discovery called a `` significant break '' in outbreak investigation . Strain is Tauxe , which has sickened hundreds recently . FDA : 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 Tauxe , which has sickened hundreds recently . FDA : Pepper grown in Mexico , but origin of bacteria uncertain . Bacteria were found at distribution center in Texas , McAllen .