The government has said that all poultry in Norfolk, Suffolk and parts of Essex must be kept indoors from Wednesday.
The UK has had 161 cases of captive birds in the past year.
There were 26 cases in the year 2020.
The Department for Environment, Food and Rural Affairs (Defra) said that birdkeepers in affected areas will be required to keep their flocks indoors.
The measures are applicable to the flock of captive birds.
The UK and the EU have culled around 48 million birds this year due to the spread of avian flu.
About 20m birds a week are produced in the UK, according to the government.
There are more than 1,700 cases in the UK's wild bird population.
In previous years, the virus has mostly died out during the summer months, but this outbreak has persisted all year round.
Christine Middlemiss, the UK's chief veterinary officer, made the decision to introduce mandatory housing for all birds.
She wants all birdkeepers in the affected regions to prepare by taking steps to protect animal welfare, consult their vet, and expand housing.
As migratory birds return to the UK, Ms Middlemiss expects the risk of bird flu on commercial farms and backyard birds to increase.
Further action is being taken to help protect flocks from this disease.
The prevention was declared by the Defra on September 28th, but it hasn't yet been told to keep birds indoors.
Bird keepers are told to wash their clothing and equipment before and after contact with birds in order to keep them free of diseases.
The bird flu figures for Europe and the UK were published on Monday. There have been 3,573 findings in wild birds that have been affected by the virus. It warned that the figure might be underestimated.
There was a single case of human transmission in south-west England in January.
All Rights Reserved © 2024
