Edward Jenner inoculated cowpox infection from infected cattle to healthy people to protect them from smallpox. What process did Jenner carry out?
Edward Jenner injected the cowpox virus into a patient suffering from smallpox and the patient was cured and never got the disease again.
Statement 1: Smallpox vaccination was developed by Edward jenner
Statement 2: It was isolated from a cow suffering from smallpox
Which vaccine did Edward Jenner discover? What prompted this discovery?