Tropical medicine emerged as an international movement around 1910.

Evidence

Tropical medicine was an international movement. Worboys dates its birth in England around I9IO (“Emergence of Tropical Medicine,” pp. 85-87). For Latour, tropical medicine in France was born with the spread of Pasteur Institutes to the colonies at the end of the nineteenth and beginning of the twentieth century (Pasteurization of France, pp. I43-144). — Alice L. Conklin, A Mission to Civilize_ The Republican…, 1004