Medicine: Vaccination for TB

Among the many mysteries of tuberculosis, none is greater than the inability of doctors on opposite sides of the Atlantic to agree on the value of BCG vaccine (TIME, Dec. 25, 1950) as a TB preventive. Medical men in Europe, and especially Scandinavia, look at the reports on their BCG programs and see "proof" that the vaccine is effective in conferring immunity. Doctors in the U.S. look at the same reports (supposedly scientific, and therefore objective) and sneer: it's no good. In this crossfire the British stayed neutral for years, finally started a searching BCG test of their own. Their conclusion,...

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