We have referred previously1 to the outbreak of plague in Manchuria, which promised to be unusually severe and extended, and the death-rate of which was extremely high. On account of the appalling nature of the outbreak, the Chinese government was led to call for international assistance with a view to gaining control over the disease. Scientific studies of plague in a latitude so far north and under the conditions of life to be found there should be productive, and there should be elicited new facts regarding the epidemiology, especially of the pneumonic form of the disease.
Recent official reports and press dispatches indicate the marked diminution in the severity of the outbreak in North China, especially in those centers in which it first appeared. On account of the extension from those centers, however, new foci have been established, and it is safe to say that a wide territory is
ANTIPLAGUE MEASURES. JAMA. 1911;LVI(17):1266–1267. doi:10.1001/jama.1911.02560170030016
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