Epidemiological studies of Q fever in the area of Dzhambul in the Kazakh SSR.

The frequency of Q fever in the area of Dzhabmul varies from 1.0 [district of Kurdayi, 1968] to 18.1 [district of Talass, 1972] for 100,000 inhabitants. The lower incidence of Q fever in the rural population, compared to that of inhabitants of towns, is closely associated with the development of early immunity. Farm animals are the main source of infection. The persistent circulation of Rickettsia burneti among wild life is maintained by wild mammallans and ticks Ixodes.