Bird flu outbreaks larger and ‘virulent’ in recent years – Expert

It is not uncommon for avian influenza (bird flu) outbreaks to occur in winter months, as migratory birds return carrying the virus, however outbreaks in recent years have been larger and “virulent”, according to an expert.

Professor of Animal Microbial Ecosystems at University of Bristol, Paul Wigley said that the disease generally comes in to the UK and Ireland as birds return…