COVID probably killed 150,000 more people in its first two years than official U.S. tolls show

COVID-19在头两年或造成15万人死亡,官方数据遭质疑

· scientificamerican · 2026-03-18 · 620词 · 难度: 中等

COVID probably killed 150,000 more people in its first two years than official U.S. tolls show

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