title: [Epidemiology and prevention of smallpox and epidemic parotitis].
mesh_terms: D006801:Humans; D009107:Mumps / Q000517:prevention & control*; D012899:Smallpox / Q000517:prevention & control*
vernacular_title: Epidemiologiia i profilaktika vetrianoĭ ospy i épidemicheskogo parotita