Page:Popular Science Monthly Volume 82.djvu/107

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an article by Mr. Charles T. Brues, of the Bussey Institution of Harvard University, on insects as agents in the spread of disease, published in the last issue of the Monthly, a footnote was added to the effect that since the article had been written experiments with monkeys by the author and Dr. Rosenau showed that infantile paralysis, poliomyelitis, can be transmitted from one monkey to another by the stable fly, Stomoxys calcitrans. A brief account of the experiments was presented before the International Congress on Hygiene and Demography in September and has been printed in the Monthly Bulletin of the Massachusetts State Board of Health.

Monkeys were infected by injecting virus from man into the central nervous system, and large numbers of stable flies were permitted to bite them.