Giovanni Batista Grassi

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Grassi, Giovanni Batista


Born Mar. 27. 1854, in Rovellasca; died May 4, 1925, in Rome. Italian zoologist. Worked in Pavia, Catania, and Rome (became a professor at the University of Rome in 1906).

Grassi discovered the causes of infection of humans with ancylostomiasis of the duodenum, ascarids, and dwarf tapeworms. He described the development and metamorphosis of the river eel. He studied mosquitoes (as carriers of phlebotomus fever), termites, Phylloxera, and the like. He described (with others) the complete development cycle of the malaria plasmodium and proved that its carrier is the mosquito of the genus Anopheles. He proposed several practical measures to combat malaria.


“Ciclo evolutivo delle semilune nell Anopheles claviger ed altri: Studi sulla malaria . . . .” Atti della Società per gli: Studi della malaria.1899, vol. 1.


Zasukhin. D. N., and P. P. Popov. “Vydaiushchiisia parazitolog Dzhiovanni Batista Grassi.” Meditsinskaia parazitologiia parazitarnye bolezni, 1955, vol. 24, no. 3.
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From 1880 through 1898 research carried out by such prominent scientists as Charles-Louis-Alphonse Laveran, Ronald Ross, Angelo Celli, Ettore Marchiafava, and Giovanni Battista Grassi led to the discovery of the malaria transmission cycle.
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