Question

Statement 1: Smallpox vaccination was developed by Edward jenner

Statement 2: It was isolated from a cow suffering from smallpox

• A. Statement 1 is true and statement 2 is false
• B. Statement 1 is false and statement 2 is true
• C. Both the statements are true
• D. Both the statements are false

Answer 1

The correct option is C

Both the statements are true

Smallpox vaccine is the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox. it was isolated from a cow suffering from smallpox infection he discovered that inoculation with a weakened cow poxviruses provided immunity or life long protection against small pox diseases.