Medicine: New Antibiotic

A promising new weapon against tuberculosis—an antibiotic called chloromycetin—is reported in Science this week. Discovered in a sample of Venezuelan soil by Yale's Botanist Paul R. Burkholder, and isolated by Parke, Davis & Co. chemists, the drug has performed brilliantly (in the test tube) against the bacteria of tuberculosis, undulant fever and a variety of other tough germs.

Chloromycetin is related to streptomycin, but unlike streptomycin it can be taken by mouth without harmful results. What excites researchers most: in animal tests it has proved a potent cure for certain rickettsial diseases, caused by tiny, bacteria-like organisms that have resisted previous "wonder...

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