[...] the virus has been found at farms housing 2.3 million turkeys, all of which have died of the disease, or have been killed or soon will be in order to stem the spread of avian flu. According to a Jennie-O Turkey Store website, the highly contagious H5N2 strain of avian flu has been confirmed at 19 farms that are either independent contract growers for Jennie-O or are company-owned. Scientists believe domestic poultry are getting the virus from wild migratory waterfowl, although security measures at farms are supposed to minimize the chances that will happen.