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ETIOLOGY OF INFLUENZATRANSMISSION EXPERIMENTS IN CHIMPANZEES WITH FILTERED MATERIAL DERIVED FROM HUMAN INFLUENZA
PERRIN H. LONG, M.D.;
ELEANOR A. BLISS, Sc.D.;
HARRIET M. CARPENTER, Ph.B.
J Am Med Assoc. 1931;97(16):1122-1127.
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During the last forty years the problem concerning the etiology of influenza has passed through two definite periods. Following Pfeiffer's1 announcement of the discovery of an organism which he believed to be the cause of influenza, numerous investigations were carried out on the isolation of this organism and these studies rapidly confirmed Pfeiffer's assertion. Thus the term "influenza," which previously had been used to describe a clinical condition, gained an etiologic significance and it was generally considered that Pfeiffer's bacillus was the causal agent of this disease.
However, more extensive investigations during the pandemic of 1918-1919 and during the succeeding epidemics have tended to cast doubt on the validity of Pfeiffer's interpretations. From a mass of conflicting reports, four schools of thought regarding the etiology of influenza have developed; one which regards Pfeiffer's bacillus as the cause, another which believes that a green-producing streptococcus is involved, a third which
. . . [Full Text PDF of this Article]
Author Affiliations
BALTIMORE
From the Department of Medicine and the Clinical Laboratory of the John J. Abel Fund for Research on the Common Cold, Johns Hopkins University School of Medicine.
Footnotes
This investigation was supported by a grant from the John J. Abel Fund for Research on the Common Cold.
Read before the Section on Preventive and Industrial Medicine and Public Health at the Eighty-Second Annual Session of the American Medical Association, Philadelphia, June 12, 1931.
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