The Department for Environment Food and Rural Affairs (Defra) said they are not currently expecting overall egg supplies to be affected.

H5N1 was first identified as an avian flu strain that could infect humans in 1997 and has since claimed hundreds of lives.

All bird keepers, from people with pet birds to farmers with huge flocks, are now required to follow strict hygiene measures imposed by the government - and in some counties, birds must be kept indoors.