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Significant aspect in the provision of anti-epidemic readiness for Ebola fever importation into the Russian Federation is to determine the scope of measures to be undertaken toward individuals who have been in contact with index case. Analyzed have been the published data on the imported case records resultant in the secondary transmission of the disease; measures, performed in relation to contact persons in non-endemic countries; possible mechanisms of transmission; presence of virus in biological material from an infected individual; risk of exposure to virus onboard the aircraft. Based on the results of the analysis of publications, WHO, CDC and Rospotrebnadzor recommendations, with due consideration of the current regulations, put forward is an approximate procedure for individuals who have been in contact with EVD case onboard the plane, including transportation of persons, exposed to the increased risk of infection into a specialized hospital.

The development of two deep depressions in the numbers of small sousliks, observed in the 50ths - 60ths and 80ths - 90ths of the twentieth century, was shown to be significantly contributed to by the climatic factors in the North-Western Pre-Caspian region. The important role of the present-day climate warming upon the evolution of the inter-epidemic period in the North-Western Pre-Caspian steppe natural plague focus was ascertained, too. Search for Yersinia pestis strains in the rodent burrows soil in the areas of stable plague manifestations was recognized as a perspective surveillance measure to be practiced.