When1: 1891
When2: 1925
Who: Paul Ehrlich [Ehrlich, Paul]
What: doctor
Where: Frankfurt, Germany
Detail: He lived 1854 to 1915. He used methylene blue as antimalarial drug [1891], trypan red and trypaflavin against trypanosomiasis, acriflavine as antibacterial, arsenical compounds (Carbarsone) against amoebas, arsenical compounds (Salvarsan and oxophenarsine) against syphilis bacteria [1907 to 1909]. He discovered drug resistance [1925].
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Date Modified: 2022.0224