H5n1 Flu { All News 'H5n1 Flu' - 1 News Result(s) Bird flu still a threat to human health: WHO Monday March 29, 2010 Health | WHO Avian influenza remains a threat to human health despite a decline in cases since a peak in 2006, the World Health Organization (WHO) warned. www.ndtv.com/health Share Twitter WhatsApp Facebook Reddit Email 'H5n1 Flu' - 1 News Result(s) Bird flu still a threat to human health: WHO Monday March 29, 2010 Health | WHO Avian influenza remains a threat to human health despite a decline in cases since a peak in 2006, the World Health Organization (WHO) warned. www.ndtv.com/health Share Twitter WhatsApp Facebook Reddit Email