The World Health Organization said Tuesday it "regrets" US President Donald Trump's decision—just hours after taking power—to withdraw his country from the UN agency, saying it hoped he would reconsider.

The U.S. has been a part of WHO since 1948, the year it was founded. The U.S. withdrawal makes it the only major world power to exit the 194-country health organization.

"It's a cataclysmic presidential decision," say experts, referring to President Trump's executive order to pull the country out of WHO

By Patrick Wingrove, Jennifer Rigby and Emma Farge NEW YORK/GENEVA (Reuters) - The United States will leave the World Health Organization, President Donald Trump said on Monday, saying the global health agency had mishandled the COVID-19 pandemic and other international health crises.

The Geneva-based WHO plays a pivotal role in battling global health threats, focusing on infectious diseases as well as humanitarian crises and chronic

The planned departure would leave the WHO scrambling to replace its top donor, which contributed $1.3 billion to the organization between 2022 and 2023.

GENEVA, Jan 22: UN agencies responded on Tuesday to President Trump's executive orders that terminate US membership in the World Health Organization (WHO) and its commitment to the Paris Climate Agreement, underscoring the significant negative consequences these decisions could have on global public health and efforts to combat climate change.

When the plague, cholera and yellow fever rippled deadly waves across a newly industrialised and interconnected world in the mid-19th century, taking a global approach to health became an imperative.

UN agencies respond to U.S. President Donald Trump's executive order to end U.S. membership in the World Health Organization (WHO).

Donald Trump has used one of the flurry of executive actions he's issued on his first day back in the White House to initiate the withdrawal of the United States from the World Health Organization. Many scientists fear could roll back decades-long gains in fighting diseases like AIDS,

GENEVA: President Donald Trump's decision to pull the United States out of the World Health Organization on Monday (Jan 20) leaves the WHO facing a major blow to its budget.