The latest outbreak of bird flu is the most serious epidemic in Europe on record, according to health authorities. Over 47.7 million animals have been culled on European farms since last autumn due to the virus, according to the latest figures. The report was published on Monday by the European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC) and the EU Reference Laboratory for Avian Influenza. Nearly 2,500 outbreaks of bird flu were recorded in poultry farms in the last year, while more than 3,500 cases were found in wild birds. Another 190 cases have be…