Bird flu has been evolving and migrating for 30 years. It is a far more deadly virus that has now arrived in Australia

Experts say the H5N1 bird flu virus’s risk to humans is low, but fear an impeding decimation of seal populations after tens of thousands of deaths in South America and AntarcticaGet our breaking news email, free app or daily news podcastIn 1996, geese in poultry farms in the Guangdong province of southern China started to get sick with a virus causing “bleeding and neurological dysfunction” and then death.A strain of avian influenza had likely arrived as a relatively harmless v