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.”

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 bottom line is that withdrawing from the WHO makes Americans and the world less safe," says Dr. Tom Frieden, president and CEO of the nonprofit health organization Resolve to Save Lives and former director of the U.S. Centers for Disease Control and Prevention (CDC).

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.

Public health experts say there could be massive implications after President Trump signed an executive order withdrawing the U.S. from the World Health Organization.

President Donald Trump used one of the flurry of executive actions that he issued on his first day back in the White House to begin the process of withdrawing the U.S. from the World Health

President Trump’s executive order for the U.S. to withdraw from the World Health Organization could greatly impact the nation’s ability to track and respond to global disease threats.

Trump’s sit-down with Hannity, taped Wednesday morning at the White House, is his first television interview as the 47th president.

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.