More than 160 million birds have been culled during the bird-flu outbreak that started in 2022. So why is the U.S. not vaccinating chickens?

A cull of birds is to be carried out in an area of Herefordshire following the confirmation of avian influenza. A 3km (1.8 mile) captive bird monitoring zone has been declared around a premises in Fownhope,

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world America is in the midst of a record-breaking bird flu outbreak that’s affected dozens of cattle herds along with poultry flocks nationwide.