PHILADELPHIA - FEBRUARY 21:  A BJ's Wholesale Club shopping cart sits lined up February 21, 2007 in Philadelphia, Pennsylvania. Yesterday, the giant wholesaler announced a voluntary recall of prepackaged Wellsley Farms mushrooms, due to possible trace amounts of E.coli. No cases of the illness have been reported. Getty Images logo Getty Images 33 months ago

PHILADELPHIA - FEBRUARY 21: A BJ's Wholesale Club shopping cart sits lined up February 21, 2007 in Philadelphia, Pennsylvania. Yesterday, the giant wholesaler announced a voluntary recall of prepackaged Wellsley Farms mushrooms, due to possible trace amounts of E.coli. No cases of the illness have been reported.