The UK and continental Europe have been hit by an “unprecedented” number of cases of avian flu this summer, with 47.7m birds having been culled since last autumn, according to new figures.

Poultry producers from as far north as Norway’s Svalbard islands to southern Portugal have together reported almost 2,500 outbreaks of the disease since last year.

There have also been thousands of outbreaks recorded in wild birds, according to the latest update from the EU’s European Centre for Disease Prevention and Control, European Food Safety Authority and the EU reference laboratory. The virus reached breeding colonies of sea birds on the north Atlantic coast, killing huge numbers.

In past years, outbreaks of avian flu declined with warmer weather and the end of migration by wild birds in the autumn and winter.... Read More: The Guardian