Indoor sheds might protect geese from H5N8Roland Weihrauch/EPA/AlamyBy Debora MacKenzieBird flu is back, and it’s got nastier – for birds, at least. The H5N8 virus has spread into Europe and is killing wild birds as well as invading poultry farms – a major worry for farmers in the run-up to the festive season. So far the virus doesn’t seem to infect...