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The History of Scarlet Fever
The recommended treatment for patients was at least three weeks in bed, even if they only had a mild case. This article also recommended disinfecting anything that the sick person had used using either a 5% solution of carbolic acid or a 2% solution of creosol. In 1915, English bacteriologist Frederick William Twort and his brother were using colonies of bacteria as part of an effort to find a way to grow smallpox vaccine in a lab. He discovered a substance from these areas was capable of passing through a porcelain filter that trapped most bacteria. French microbiologist Felix Déral made the same discovery independently of Twort about two years later. George and Gladys Dick