Approximately 50 cases in Iowa, Kansas, Nebraska, Missouri and South Dakota have been linked to the outbreak as federal and state officials await the results of laboratory tests that could confirm whether the cause was sprouts.
CIDRAP officials at the University of Minnesota said the rare Salmonella SaintPaul subtype is the same as in last year's outbreak that involved jalapeno and Serrano peppers, but the genetic fingerprint is different.
SunSprout Enterprises Inc. of Omaha voluntarily recalled its alfalfa, onion and gourmet sprouts with "best if sold by" dates from of March 2-14 after the initial outbreak was unofficially linked to sprouts.