Medicine: Yellow Fever

Yellow fever has been stamped out in the Americas; it still rages on the coast of West Africa. Ten years ago Dr. Hideyo

Noguchi discovered that American yellow fever was caused by a tiny organism which he named Leptospira icteroides; was carried by a common lady mosquito, Stegomyia calopus; that guinea pigs could be infected with the organism; that the mosquito would carry the infection from one animal to another ; that a horse serum could be prepared that would cure the disease if administered shortly after the infection. These facts known,...

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