Less than a century after variolation came to the West, Edward J

分类: USAP 社会科学 内测版本 发布时间: 2023-11-15 17:06 浏览量: 1

Less than a century after variolation came to the West, Edward Jenner successfully tested the first vaccine against smallpox—derived from ____.

A.Rhesus

B.Mice

C.Rabbit

D.Cowpox

E.Cavia cobaya

正确答案是D