President Javier Milei's decision echoes that of his ally, U.S. President Donald Trump, who began the process of pulling the United States out of WHO with an executive order on his first day back in office on Jan.

Argentina announced Wednesday that it will withdraw from the WHO, echoing former U.S. President Donald Trump's criticisms of the U.N.

The World Health Organization (WHO) is a specialised agency of the United Nations responsible for global public health. It is headquartered in Geneva, Switzerland, and has six regional offices. The WHO's purpose is to achieve the highest possible level of health for all people across the world.