Graves in the Slave Cemetery at Mount Vernon are unmarked, but we have the names of a few individuals thought to be buried in the cemetery including Frank Lee, the Washingtonâs butler who was present at the funeral of George Washington.
Disease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).isease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).
In 1888, Pierre-Paul-Ãmile Roux discovered that a toxin produced by C. diphtheriae was the causative agent in the disease Diphtheria. Emil Von Behring (1854-1917) was one of the first pioneers in the race to fight Diphtheria. He studied C. diphtheriae from 1889 onwards, especially in animals.