Medicine: Phage v. Staph

Last week doctors hailed an old conqueror of the dread staphylococcus germ. Considered by some scientists a virus, by others an enzyme, this germ-eater is called bacteriophage. Strains of bacteriophage are found in the human intestinal tract, in urine, pus, blood and sewage. About 25 years ago, bacteriophage was first isolated by a British scientist from a dead germ colony. The mysterious substance that killed the bacteria was able to pass through a fine filter and infect other colonies. Some doctors soon dreamed of it as a universal panacea. (Sinclair Lewis dramatized this...

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