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Shohin
On the topic of World Health Organization (WHO), their website lays out their mission pretty clearly. In essence, they advance and coordinate health initiatives worldwide through the United Nations system. Take a read to see what they say about themselves. There has been recent criticism of WHO, particularly from the government of Taiwan - in the context of COVID-19, about WHO being dominated by China. No judgment on my part... I honestly don’t know. However, I generally don’t trust the Chinese government.
www.who.int

About WHO
Dedicated to the well-being of all people and guided by science, the World Health Organization leads and champions global efforts to give everyone, everywhere an equal chance to live a healthy life.