Edited by Jennifer Reiling, Editorial Assistant.
The originality which Koch has displayed in most of his previous work
is again shown in his official report1 on his studies of malaria
at Grosseto. We learn from this report that he has been working at Grosseto
in Tuscany, Italy, in conjunction with Professor Trosch and Dr. Ollwig, during
the past summer season. This town is notorious for the prevalence of malaria
during the hot season, which induces thousands of the inhabitants to leave
it during the summer. Researches in the large public hospitals, as well as
in the private practice of the sanitary officer, Dr. Pizzeti, showed that
prior to June 23 there were relatively a small number of fever cases, and
that these were invariably relapses of infections dating back to previous
summers. After this date, however, new infections occurred in such numbers
that the term "epidemic" could be used. The diagnosis was based on the presence
of parasites in the blood in 408 instances, confirmed by the microscope as
well as the clinical history, while all suspected cases in which the parasites
were not found, proved to be not malaria by the subsequent course. Of the
408 cases, 15 were of the quartan type, 202 of the tertian variety, while
181 belonged to the estivo-autumnal class. The latter, identical in its parasite
with the true tropical fever, was always a severe type of disease, however,
without a death—under quinin treatment.
ETIOLOGY OF MALARIA. JAMA. 1999;282(14):1312B. doi:10.1001/jama.282.14.1312
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