H7N9 Bird Flu May Be Developing Drug Resistance

Some strains of the H7N9 bird flu in China are becoming resistant to the only antiviral drugs doctors have left to treat the infection, a new study suggests. The study, which examined the viruses in a single person infected with H7N9, found that a portion of the H7N9 viruses lurking inside the person were resistant […]

China bird flu analysis finds more virus threats lurking

A deadly new bird flu virus in China evolved from migratory birds via waterfowl to poultry and into people, and there are other bird flu viruses circulating that could follow the same path, scientists have found. The study – an analysis of the evolutionary history of the H7N9 bird flu that has so far killed […]