Why fears of human-to-human bird flu spread in Missouri are overblown The Washington PostMissouri investigates more possible human-to-human H5N1 avian flu spread University of Minnesota Twin CitiesWas Missouri’s bird flu case a one-off or something more? Quest for answers faces testing delay STATMissouri health officials should be doing more on ‘perplexing’ bird flu case, experts say Kansas City StarThe Bird-Flu President The Atlantic