While the UK continues its close 25-year partnership with Gavi, the US is halting funding to the organisation. In a move that reflects the country’s ongoing pullback from international aid, US health secretary Robert F Kennedy, Jr (RFK) claimed Gavi had ignored science.

Global vaccine group Gavi will have more than $9 billion for its work over the next five years helping to immunize the world's poorest children, including money raised at a Brussels fundraising summit,