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Natural Plague Pestholes in Tajikistan

#T-1813


Epizootological State and Survey of Natural Plague Pestholes in Tajikistan

Tech Area / Field

  • BIO-SFS/Biosafety and BioSecurity/Biotechnology

Status
3 Approved without Funding

Registration date
02.02.2010

Leading Institute
Republican Center for Quarantine Infections' Prevention of the Ministry of Health of the Republic of Tajikistan, Tajikistan, Dushanbe

Collaborators

  • Universite de Paris-Sud / Institut de Génétique et Microbiologie, France, Orsay\nUniversity of Texas / Medical Branch, USA, TX, Galveston

Project summary

Natural plague pesthole for the first time in Tajikistan was determined in 1970 in western part of Hisor mountain range of Aini District of Sogd Region (Oblast). It is known, that a plague epidemic had place in 1898 in the villages Marzich and Anzob. According to investigations, which were carried out during 1970-1990, Hisor pesthole noticeably differs from other natural pestholes by composition of bearers and carriers and by properties of circulating in it plague strains. The pesthole possesses autonomy properties. Seven species of mammals (red marmot, archa field-vole, forest mouse, forest dormouse, gray hamster, silver field-vole, weasel) and 14 species of fleas are involved in epizootic process. Active development of natural resources in mountain regions of Tajikistan, geological and other expedition works resulted with considerable inflow of employees, which labor activity is carried out in the areas close to colonies of marmots, archa field-vole and other rodents, which are natural plague bearers. Cattle from Aini, Panjakent, and Tursunzoda Districts is pastured in epizootic zone of Aini District, and population of a number of villages cultivate grounds for agricultural crops and hay. Many tourists from different world countries visit the picturesque lake Iskandarkul. Plague pathogenic organism was extracted from mammals and ectoparasits - 848 cultures during the monitoring years 1970-1990. The known events of 90th of XX century worsened the difficult economic situation of Tajikistan. As a result, there were no investigations of epizootological situation in the pesthole. Taking into account the above-mentioned and construction of transport tunnel though Hisor mountain range arises a necessity of continuous epidemiological monitoring of population and control of epizootological situation of the pesthole. Activation of intercontinental and interstate migration of population, expansion of interstate exchange of food products heighten the risk of dissemination of inflectional diseases between countries, which causes the necessity of strengthening the epidemic control and study of epizootology in both acting natural plague pestholes and in potential ones.


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