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.

Massachusetts officials announced Wednesday that bird flu is now considered to be “widespread” in the state and urged the public to avoid handling birds or other animals that are dead or appear sick.

A farm worker in England has tested positive for H5N1 bird in what’s thought to be the second human case in the country

A Surrey MP is warning that the government agency meant to help the UK withstand fresh bird flu outbreaks urgently needs "massive investment". More than a million birds have already been culled at an egg farm in the Midlands following signs of the virus in the region, where it also spread to a farmworker.

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a confirmed positive, state environmental and health officials said Wednesday.

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.

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

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,