Scarlet fever
From Tardis Wiki, the free Doctor Who reference
Scarlet fever was a disease. Ashildr claimed that she cured a whole village of it, but they nearly drowned her for being a witch. (TV: The Woman Who Lived)
Jack Burden died of scarlet fever prior to 1884. (AUDIO: The Ghost House)
Edwin Bracewell's father and mother died of scarlet fever prior to 1941. (TV: Victory of the Daleks)
