WHO’s constitution, drafted in New York, doesn’t have a clear exit method for member states. A joint resolution by Congress in 1948 outlined that the U.S. can withdraw with one year's notice. This is contingent, however, on ensuring that its financial obligations to WHO “shall be met in full for the organization’s current fiscal year.”

Trump initially removed the U.S. from the WHO in 2020, but Biden reversed his action before it went into effect.

The U.S. has traditionally been the most generous benefactor of the WHO. A Trump executive order to cut ties with the WHO could pose a threat to global public health.

President Donald Trump announced Monday he is withdrawing the US from the World Health Organization, a significant move on his first day back in the White House cutting ties with the United Nations’ public health agency and drawing criticism from public health experts.

As part of his blitz of executive orders, President Trump delivered on a promise to withdraw the United States from the World Health Organization. The Trump White House accuses the WHO of mishandling the COVID-19 pandemic and bias toward China.

One of President Trump’s first executive orders removes the U.S. from the global health organization, which experts say is “cataclysmic.”

Newly-inaugurated President Donald Trump signs executive order to extricate U.S. from the World Health Organization.

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.

President Donald Trump announced a $500billion investment for private companies to develop artificial intelligence tools to support medical advancements, including a cancer vaccine.

The WHO is a United Nations agency that aims to expand universal health coverage, coordinates responses to health emergencies such as pandemics, and has a broad focus on healthy lives. It does not have the power to enforce health policy, but influences policy worldwide, especially in low-income countries.

President Donald Trump is acting on his campaign promises at the fastest clip in modern memory — sending almost hourly shockwaves through the government, the legal system, the science community and around the world.