Vaccine-enhanced disease with coronavirus vaccines 冠状病毒的疫苗增强疾病

Vaccine-enhanced disease with coronavirus vaccines has long been a problem
冠状病毒的疫苗增强疾病长期以来一直是个问题
It's a real thing,that's been really observed by their testing
这是一个真实发生的事情,他们的测试确实观察到了疫苗增强疾病