title: Role of mosquitoes in the spread of smallpox.
mesh_terms: D000330:Aedes; D000818:Animals; D003465:Culex; D004199:Disease Vectors; D007194:India; D007303:Insect Vectors; D012899:Smallpox / Q000453:epidemiology; D012901:Variola virus / Q000302:isolation & purification