An acute infectious disease caused by YERSINIA PESTIS that affects humans, wild rodents, and their ectoparasites. This condition persists due to its firm entrenchment in sylvatic rodent-flea ecosystems throughout the world. Bubonic plague is the most common form.
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow.
Soviet Union,Union of Soviet Socialist Republics
D049711
History, Modern 1601-
The period of history from 1601 of the common era to the present.
History, Modern,Modern History,History of Medicine, Modern,Medicine, Modern,Modern History (Medicine),Modern Medicine,1601- History, Modern,History, Modern (Medicine),History, Modern 1601,Modern 1601- History