A large UK study last year found similar signs when it compared rates of hematological and vascular events after COVID-19 to rates of those same events after COVID vaccination.

去年英国的一项大型研究在比较 COVID-19 后的血液学和血管事件发生率与接种 COVID 疫苗后的相同事件发生率时发现了类似的迹象。