Trump administration sends letter withdrawing U.S. from World Health Organization over coronavirus response - The Washington Post

The withdrawal is effective July 6, 2021. https://www.washingtonpost.com/world/trump-united-states-withdrawal-world-health-organization-coronavirus/2020/07/07/ae0a25e4-b550-11ea-9a1d-d3db1cbe07ce_story.html