The head of leading vaccines group Gavi alliance says it has not received confirmation from the U.S. government that it might be losing more than $1 billion in pledged funding as part of a reported proposal by U.S. authorities to cut support for international aid groups.

Britain’s government says it will require COVID-19 vaccinations for nursing home workers in England, arguing that the need to protect vulnerable residents outweighed employees' right to choose whether to get the jab.