Of late years there have been described by various investigators certain forms of parasitic blood diseases in animals that undoubtedly correspond to the now quite well understood malarial diseases of man.
Babes1 of Roumania, was one of the first to investigate the occurrence of parasites in the red blood corpuscles of cattle. It concerned an acute febrile disease, occurring in the summer, lasting from four to seven days, and characterized by a hemoglobinuria that made its appearance on the second or third day and which was constant in the fatal cases. Postmortem there was found hemorrhage in the kidneys and in the walls of the stomach and intestines, and acute splenic swelling. The red blood corpuscles contained one or more parasites shaped like cocci, but Babes could not follow the stages of development of the parasites, whose exact nature was not established.
The most important investigations concerning this disease
THE COMPARATIVE PATHOLOGY OF MALARIA. JAMA. 1897;XXIX(8):390–391. doi:10.1001/jama.1897.02440340038006
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