Now certain is that the Ebola virus, Marburg virus, Lassa fever virus and Rift Valley fever virus has been excluded, not the cause of the causes of death.

• 现在可以确定是，埃博拉病毒、马尔堡病毒、拉沙热病毒以及裂谷热病毒已经被排除在外，不是导致死亡的原因。”