tobacco plants 烟叶

serum n. （免疫）血清；浆液

miraculous adj. 奇迹般的

Infectious adj. 传染的；有感染力的

became sick with the ......virus感染疾病、病毒(持续性？)
be released from the hospital出院
be free of the disease康复
test（医疗）检查
miraculous奇迹般的
after nearly three weeks of treatment接受为期近三天的治疗
aid worker救护人员
be treated with the experimental drug zMAPP接受了名为zMAPP的实验性药物治疗
be infected with the disease感染疾病（瞬间性？）
the medical director主任医师
to the extent就...来说，在...范围来说
the first bit of good news最早的佳音
coming from Liberia-----作定语

英语笔记（5）