Vaccinating poultry against avian influenza is currently not allowed in the UK. The government says that strong biosecurity measures and culling are the most effective ways of fighting it. Meanwhile, there are concerns that poultry vaccinations might be linked to the virus evolving.

A person working on a farm has contracted the human version of avian flu. The UK Health Security Agency (UKHSA) said the individual "had close and prolonged contact with a large number of infected birds", but would not say where the farm was. The person was "currently well and was admitted to a High Consequence Infectious Disease unit," it said.

As the bird flu continues to spread in the U.S., Massachusetts farmers must protect their flocks. But due to the recent rise in the disease, growing and raising their own food on property is a tradition that may have to be put on hold.

A case of avian influenza, also known as bird flu, has been confirmed at a commercial poultry farm in Norfolk. The highly pathogenic virus was detected at a premises near Loddon, the Department for Environment,

MORE: Long Island farm forced to euthanize more than 100,000 ducks after bird flu detected. There has been a history of intermittent bird flu outbreaks in Massachusetts since earl