Janet Parker first became ill on 11 August, but nine days passed before she was admitted to hospital and her infection was identified as smallpox.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
Janet Parker first became ill on 11 August, but nine days passed before she was admitted to hospital and her infection was identified as smallpox.
Jenner scientifically tested, and proved, that infection with the mild disease of cowpox gave immunity to the more dangerous smallpox disease.
28th June 2015
11th November 2022
11th November 2022
9th November 2019