Years ago, Lee1 pointed out that bacteriologists have shown great ingenuity in devising methods by which micro-organisms may be cultivated and studied. He recalled how their laboratories have become veritable bacteriologic gardens, where living germs are kept under the best possible conditions. The species are separated from one another; the proper foods are given to each; the most advantageous surroundings as to light, air, temperature and moisture are provided; the bacteria are nursed when ill, and every effort is made that they may lead healthy lives. Opportunities are thus given for the exact study of their activities. These are, of course, important features in the warfare on disease, and they represent an almost indispensable part of the attack in the field of infectious disorders. In response to microbiotic invasion, the body develops unique methods of defense. In part they are cellular, in part chemical. Antibodies of surprising potency may
EXPERIMENTAL POLIOMYELITIS. JAMA. 1931;97(23):1711–1712. doi:10.1001/jama.1931.02730230053016
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