对现有数据和普查人口统计学的事后分析表明,黑人居多的县的感染率是白人居多的县的三倍,死亡率几乎是死亡的六倍。https://www.washingtonpost.com/nation/2020/04/07/coronavirus-is-infecting-killing-black-americans-an-alarmingly-high-rate-post-analysis-shows/?arc404=true