Avian Flu: Low risk for the general population, says WHO after patient death in the U.S.
Nearly 70 people in the U.S. have contracted bird flu since April, most of them farmers
Vietnam: Dozens of tigers and lions in captivity die in the country, bird flu detected
It is likely that the felines consumed meat from sick chickens
Bird Flu: First Country in the World to Begin Vaccinations in Europe
The vaccines are part of a batch of 40 million doses purchased by the European Union (EU)