After accusing the World Health Organization (WHO) of pro-China bias, President Donald Trump announced US withdrawal from the UN agency. Although the US created the UN system for the post-Second World War new international order, Washington has often had to struggle in recent decades to ensure that it continues to serve changing US interests.

In early July, Washington gave the required one-year notice officially advising the UN of its intention to withdraw from the WHO, created by the US as the global counterpart to the now century-old Pan-American Health Organization (PAHO). 

However, the White House decision violates US law as it does not have express approval of the US Congress required by the 1948 joint resolution of both US legislative houses enabling US membership of the WHO. 
Read the article by Jomo Kwame Sundaram