| prevalence of lyme disease spirochetes in ixodes persulcatus and wild rodents in far eastern russia. | borrelia spirochetes were isolated from the adult ixodid tick (ixodes persulcatus) in three areas of far eastern russia, namely, khabarovsk, vladivostok, and yuzhno-sakhalinsk. borrelia infective rates of ticks in those areas were 24.5, 41.4, and 25.1%, respectively (total rate was 26.6%). spirochetes were also isolated from the tissues of small mammals captured at khabarovsk (infective rate was 20.8%). samples were classified by rrna gene restriction fragment length polymorphism (rflp) analysis ... | 1996 | 8837448 |