H7N9 bird flu virus capable of airborne transmission

One strain of the H7N9 bird flu virus appears to spread easily through the air between ferrets, which are a good model for how the virus may spread in humans, a new study from China says. Researchers tested transmission of five strains of H7N9, all taken from people who got sick with the virus. …One […]

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 […]

Two Mutations Can Transform A Swine Flu Virus

Scientists [authors of a report published online in the Proceedings of the National Academy of Sciences] detail how a swine flu virus currently circulating in Korea – without apparently making the pigs sick – quickly changed into a deadly flu virus when it was put into ferrets. Once in ferrets, the virus acquired two new […]