Slowly It Turns, Step By Step... Daily KosBird Flu Is One Step Closer to Mixing with Seasonal Flu Virus and Becoming a Pandemic Scientific AmericanBird Flu in Pigs Is One Step Closer to Endangering Humans BloombergUSDA announces first H5N1 avian flu detection in US pigs University of Minnesota Twin CitiesFirst case of bird flu in pig discovered on small Oregon farm Oregon Capital Chronicle