美国正式退出世卫组织，留下一笔数亿美元巨额未付账单

Core Points - The United States is set to formally exit the World Health Organization (WHO) on January 22, 2026, after notifying the organization a year in advance, but it has significant unpaid dues totaling approximately $260 million [1] - The U.S. owes $130 million for the 2024 annual dues, which accounts for 22% of the expected total contributions to the WHO for that year [2] - WHO Director-General Tedros Adhanom Ghebreyesus has expressed concerns that the U.S. exit poses a threat to global health security and described the situation as a "lose-lose" scenario [2] Financial Obligations - The U.S. has not paid its dues to the WHO for the past two years, leading to a total debt of around $260 million, including unfulfilled voluntary contributions for 2025 [1] - The WHO is facing a budget shortfall of nearly $600 million for 2025 due to reduced funding from the U.S., prompting proposed budget cuts of 21% for 2026-2027, reducing the budget from $5.3 billion to $4.2 billion [2] - The WHO plans to reduce its workforce by over 2,000 positions, nearly a quarter of its staff, as part of budget adjustments and structural reforms [2] International Context - The annual World Health Assembly is scheduled for May, where discussions regarding the exits of the U.S. and Argentina will take place [3] - A recent memorandum signed by U.S. President Trump indicates the U.S. will withdraw from 66 international organizations deemed not in its interests, raising concerns among the international community [3]