Daily Archives: 8. 4. 1898

1898 – Rat flea identified as a carier of bubonic plague

L. Simond was the first to realize that manipulating a rat that had recently died could be extremely dangerous whereas after a time lapse of several hours the same dead rat presented no risks to man. He was also the first to detect an insect bite as being responsible for the lesions he had observed…

1898 – Theobald Smith differentiated bovine from human type tuberculosis

In 1898 Theobald Smith in Boston, USA, showed that the bovine bacillus could be clearly differentiated from the human variety both in its microscopic and cultural characteristics and in the disease it produced in different animals. It was thus apparent that humans could acquire tuberculosis particularly of the gut, by drinking cow’s milk infected with…