Based on the information in "Edward Jenner and the History of Smallpox and Vaccination,” after concluding that cowpox could be used to eliminate smallpox, Jenner
Answer
A
began an apprenticeship in the medical field.
B
inoculated a young boy with cowpox and smallpox.
C
sent a vaccine to doctors and others in the medical field.
D
retrieved matter from cowpox lesions on a dairy maid.