[12 March/ The Wall Street Journal] H5N2 avian influenza, highly contagious among birds, has infected Arkansas and Missouri turkey farms escalating a multistate outbreak and increasing the prospect of wider international restrictions on U.S. poultry products. The U.S. Department of Agriculture announced that there has being no human cases of H5N2, with a low risk to human health, however there are concerns of disrupted production. Major poultry companies shares declined on Wednesday following the news. China imposed a ban on all U.S. poultry imports, in January, with about 30 other countries also imposing restrictions. Tyson Foods Inc. said it has biosecurity measures in place, with contract farms being more diligent since the virus’ spread during the U.S. winter.