1. The mass bacteriological investigation of Ixodes ticks has great importance, since it makes it possible to expose foci of tularemia on the territory being investigated.n2. The exposure of natural foci and the detailed study of them make it possible to correctly and timely plan the carrying out of the complex of antitularemia measures, and also to exert an influence on the foci with the aim of reducing their infecting ability.n3. The necessity for developing methods for improving the sanitary conditions of natural foci of tularemia has become ripe.
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