PATHOLOGY

Detailed explanation-1: -The basis for vaccination began in 1796 when the English doctor Edward Jenner noticed that milkmaids who had gotten cowpox were protected from smallpox. Jenner also knew about variolation and guessed that exposure to cowpox could be used to protect against smallpox.

Detailed explanation-2: -Edward Jenner, (born May 17, 1749, Berkeley, Gloucestershire, England-died January 26, 1823, Berkeley), English surgeon and discoverer of vaccination for smallpox.

Detailed explanation-3: -Edward Jenner, (17 May 1749-26 January 1823) was an English physician and scientist who was the pioneer of smallpox vaccine, the world’s first vaccine. Edward Jenner spent most of his life in Berkeley, Gloucestershire, where his father was the vicar.

Detailed explanation-4: -1796. Dr. Edward Jenner finds that vaccination with the cowpox virus can protect a person from smallpox infection and creates a smallpox vaccine.