Public health experts say U.S. withdrawal from the W.H.O. would undermine the nation’s standing as a global health leader and make it harder to fight the next pandemic.

In a day-one executive order, President Donald Trump withdrew the U.S. from the World Health Organization for a second time.

President Donald Trump’s decision to end U.S. membership in the World Health Organization revives a five-year-old grudge with the WHO’s leader. Trump has long charged that WHO Director-General Tedros Adhanom Ghebreyesus covered up China’s responsibility for the Covid pandemic,

Experts say the sudden stoppage is a surprise and will set back work on investigating and trying to stop outbreaks of Marburg virus and mpox in Africa.