Martin Kanan says salmonella found in 5-pound tub of peanut butter . 42 people have been infected in 42 states . the Centers for Disease Control and Prevention , public health officials working to determine source of outbreak . Minnesotan has most cases at 55 ; outbreak may have killed California .
King Nut says salmonella found in 5-pound tub of peanut butter . At least 399 people have been infected in 42 states . CDC , public health officials working to determine source of outbreak . California has most cases at 55 ; outbreak may have killed Minnesotan .