An epidemic of smallpox that last month broke out in Philadelphia, appeared, last week, to have spread to Washington and, in less degree, to Baltimore. Negro quarters of these cities were focal areas for the infection. Mortality was between 11% and 35%, indicating a virulent strain of organism.
In Philadelphia, department stores, hospitals, police cooperated with the medical authorities in establishing zones of isolation. Vaccination proceeded widely and apace. In Washington, the scare penetrated to Capitol Hill and newspaper accounts featured U. S. Senators hastening to bare their arms to the needle;...
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