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(FROM OUR OWN CORRESPONDENT.)
Although la grippe, influenza, dengue, horse-distemper, "it," the great unknown, or by whatever name it may be known to future medical historians, has not favored Philadelphia this spring with such obvious marks of attention as it has some other cities of the Atlantic sea-board, yet this may be explained by the fact that it committed such ravages a year ago that the susceptible material was largely exhausted. However, we have had sufficient number of these cases to supply clinicians with abundant material for study. In addition to typical cases of the disease, which are comparatively few this year, there are large numbers of abortive cases, showing the poison is still with us, and is responsible for a large amount of general ill health and lowered vitality in the community. In one respect this epidemic differs from epidemics of dengue. The late Prof. Samuel H. Dickson, formerly
LETTER FROM PHILADELPHIA.. JAMA. 1891;XVI(24):862–863. doi:10.1001/jama.1891.02410760034007