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Biomedical subjects

V I Efremenko

Publications and source records attributed to V I Efremenko.

62 records · Page 4Linked to original sources

[Detection of the circulation of Crimean-Congo hemorrhagic fever virus in the piedmont steppes of the North Caucasus].

The laboratory verified cases of Crimean-Congo hemorrhagic fever (CCHF) in the piedmont steppes of the North Caucasus (Malgobeksky District, Republic of Ingushetia) are first described. The source of the first infection was Ixodidae ticks; three subsequent sources were contacts with the bloody discharges from patients. CCHF virus genome was detected in the blood of the cattle from an epidemic focus and in the pools of the Ixodes ticks Haemaphysalis parva Neum., 1897 and Boophilus annulatus Say, 1821, taken from cattle. The problem of including the piedmont steppes of the North Caucasus into the CCHF nosological area is discussed.

Adult↗

[Biosensors and their applications (review of the literature)].

Different biosensors (potentiometric, voltampermetric, thermometric, optoelectronic, acoustoelectronic) are reviewed, and the main principles of their operation are discussed. Data on biosensor applications are systematized.

Biosensing Techniques↗

[The mechanisms of the intrafocal and territorial spread of cholera in the Republic of Dagestan].

The description of the epidemic manifestations of cholera in the Republic of Daghestan at the period of the seventh pandemic, linked with the action of such common transmission factors as water, food and everyday contacts, is presented and their role in the territorial spread of this infection is evaluated. The analysis of family foci in the Derbent and Kaiakent regions in 1994 is given; the conclusion is made that a low sanitary level of human dwellings leads to a wide spread of cholera among close relations due to the action of water, alimentary and contact factors of transmission.

Cholera↗

[The cholera outbreak in one of the central regions of Dagestan].

The data on the epidemiological analysis of cholera cases in the epicenter of this infection in the Daghestan, viz. in the village of Gerga, Kaiakent District, are presented. The outbreak of cholera was due to the import of this infection by pilgrims from their hajj to Saudi Arabia. The causative agent of the outbreak was the epidemic variant of V. cholerae eltor Ogawa. Everyday contacts were the main route of the transmission and spread of this infection, the water factor playing an insignificant role. Two epidemic waves of cholera were registered in Gerga, each of them provoked the penetration of the infection to other regions of the Republic of Daghestan.

Adolescent↗