This vaccine is based on decades-old technology and uses a live virus, called vaccinia, which is related to smallpox.It can cause severe side effects and, rarely, death.
英
美
- 他们将从黑猩猩体内取得的抗体和人类抗体进行了基因上的结合,而黑猩猩对天花病毒是具有免疫性的。