Bird flu death toll tops one million as three new farms affected

Dutch bird flu outbreaks continue, 800,000 birds killed so far

Bird flu found on farm at the heart of Dutch poultry industry

Bird flu spreads, new outbreaks in Flevoland and Gelderland

Pilot to combat bird flu starts at commercial poultry farm

First bird flu outbreak in nearly a year confirmed in Gelderland

Two-year trial of bird flu vaccines "too slow" say experts