H5N1 bird flu growing cause for concern; latest news, developments Business InsiderAre We Prepared for Bird Flu? - Chasing Life with Dr. Sanjay Gupta - Podcast on CNN Audio CNNAvian Influenza A (H9N2)- India World Health Organization (WHO)With 100M birds dead, poultry industry could serve as example as dairy farmers confront bird flu The Associated PressBird flu outbreak at dairy farms continue to raise concerns about virus spreading PBS NewsHour