Edward jenner smallpox vaccine 1796 | In the doctor and scientist Edward Jenner made a discovery that would go on to save thousands of lives. |
Smallpox virus | Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. |
Edward jenner smallpox vaccine year | Edward Jenner (– 26 January ) was an English physician and scientist who pioneered the concept of vaccines and created the smallpox vaccine, the world's first vaccine. |
Jonas salk polio vaccine | Jonas Edward Salk was an American virologist and medical researcher who developed one of the first successful polio vaccines. |
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