Question

c) What led Jenner to use matter
to use matter from cowpox lesions to inoculate people against smallpox ? English class 7​

Answer 1

Answer:

Unfortunately, the transmitted disease did not always remain mild, and mortality sometimes occurred. 2. Furthermore, the inoculated person could disseminate the disease to others and thus act as a focus of infection. ... This led Jenner to use matter from cowpox lesions to inoculate people against smallpox.