Word: pneumococci
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Dates: during 1924-1924
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Horses. The "horse serum," in use heretofore, had been regarded by many as worse than the disease it was meant to cure. It is made by injecting pneumonia germs (called pneumococci) into the blood of a horse. The horse then develops in his blood a substance which aids in destroying or digesting these germs. This substance-the so-called "antibody"-is known to be carried in the serum, or "clear liquid" of the blood. The remedial method in using the "horse serum" was to inject a large quantity of highly diluted serum into the human patient. This serum generally brought...