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April 14, 1900


Author Affiliations


JAMA. 1900;XXXIV(15):900-902. doi:10.1001/jama.1900.24610150006001c

In presenting a short summary of the clinical use of antipneumococcus serum we will confine ourselves to the consideration of its use in pneumonia, not that its use is necessarily limited to this form of pneumococcus infection, but because the processes which we designate as pneumonia are brought about by the agency of this germ in probably 90 per cent. of all cases of this disease, and also because, although the pneumococcus infection is protean in its manifestations, pneumonia is the form with which we most frequently come in contact. Before considering the clinical use of this serum we can form a better judgment of its value as a remedy if we consider for a moment the problems necessarily involved in its curative action.

Comparing the pneumococcus serum with those of diphtheria and tetanus we find it has a different action in the body. These two sera we know to

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