Medicine: Cowpox

In southern New York state, a dairyman, his wife and their hired man stretched out their hands palm upwards, like suppliants, to Dr. H. P. Senftner, associate director of the state department of health. Their palms were covered with great ulcers, about one-half inch in diameter, one-sixteenth to one-eighth inch deep; the margins were irregular in outline and thickened. Dr. Senftner told the three to flip their hands over. The backs were covered with similar sores. One of the patients had the same sort of lesion on his face. All three had...