title: Long term existence of Rift Valley Fever virus in immune mice.
mesh_terms: D000818:Animals; D001103:Arboviruses / Q000302:isolation & purification*; D051379:Mice; D011830:Radiation Effects; D012295:Rift Valley Fever / Q000276:immunology*; D012296:Rift Valley fever virus / Q000276:immunology / Q000302:isolation & purification* / Q000528:radiation effects; D013997:Time Factors; D014466:Ultraviolet Rays