title: Plague vector studies. 3. The rate deparasitized ground squirrels are reinfested with fleas under field conditions.
mesh_terms: D000818:Animals; D002140:California; D004199:Disease Vectors; D004463:Ecology; D010930:Plague / Q000517:prevention & control; D012589:Sciuridae; D005423:Siphonaptera; D013997:Time Factors