From a patient and hardheaded Scot last week came news of a revolutionary new attack on the common cold. For a quarter-century or more, physicians have been virtually unanimous in believing that colds are caused by viruses, but these are so maddeningly elusive that no consistently effective vaccine has yet been made.* Also, since there are no specific cures for most viral diseases, the only thing to do for their victims is to treat the symptoms.
Nobody held these orthodox views more firmly than Dr. James Morrison Ritchie, director of the Public Health...
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