Medicine: K Medium

A newly devised food for the artificial nourishment of germs, referred to at Northwestern University last week, promises to enlarge the study of bacteriology. One great problem of the science has to do with viruses. What are they? Are they germs too small to see with the microscope or the ultramicroscope? Are they germ poisons? Are they transitional forms which germs adopt? Whatever they are, they are a vicious nuisance, involved in such diseases as infantile paralysis, smallpox, measles, rabies, rheumatism.

Northwestern University at Chicago has Professor Arthur Isaac Kendall, 54, who except...

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