Chicken are pictured lock in a poultry farm in Bergentheim November 10, 2016 following the discovery of bird flu among wild birds in Europe.
Poultry farmers in The Netherlands have been ordered to lock up their flocks, after a dangerous variant of the bird flu (H5N8 strain) is spreading across Germany and other European countries. According to the state of Schleswig-Holstein, dead wild birds were also reported at Lake Constance in Baden-Wuerttemberg, Switzerland and Austria. / AFP / ANP / Vincent Jannink / Netherlands OUT        (Photo credit should read VINCENT JANNINK/AFP/Getty Images)