[Detection of natural tularemia foci in Mongolia]. 2011

I S Meshcheriakova, and E I Korenberg, and D Tserennorov, and T V Mikhaĭlova, and M I Kormilitsyna, and D Batjav, and Y Dagvadorj, and T N Demidova, and D Otgonbaatar, and N Enkhbold, and L Mendamar

OBJECTIVE Study of the current spread of natural tularemia foci in Mongolia and its epizootic activity evaluation for consequent substantiation of the recommendations for prophylaxis of this disease. METHODS Study of 1119 pellet specimens from predatory birds obtained in 6 aimag in Mongolia in 2008--2010 was performed. Tularemia antigen was detected by using antibody neutralization reaction (ANR) and passive hemagglutination reaction (PHR) with tularemia diagnosticums. Tularemia DNA was detected by PCR by using strain specific primers. Presence of plague antigen in PHR with plague immunoglobulin diagnosticum was also studied in all the samples. RESULTS Epizootologic monitoring allowed the detection of natural tularemia foci in 5 of the 6 studied aimags in Mongolia. PHR was the most effective study method that allowed to detect tularemia antigen in the environmental objects in high quantities (up to 9.2% of positive samples) and high titers (up to 1:1600). PCR was less effective. Plague antigen was detected in 9 samples in 2010 for the first time, and in 3 cases together with tularemia antigen, which indicates a presence of combined natural foci of tularemia and plague in this territory. CONCLUSIONS In the studied regions of Mongolia natural tularemia foci were detected, their epizootic activity was determined and recommendations for future study tactics of natural tularemia foci were given.

UI MeSH Term Description Entries
D008986 Mongolia The country is bordered by RUSSIA on the north and CHINA on the west, south, and east. The capita is Ulaanbaatar.
D004197 Disease Reservoirs Animate or inanimate sources which normally harbor disease-causing organisms and thus serve as potential sources of disease outbreaks. Reservoirs are distinguished from vectors (DISEASE VECTORS) and carriers, which are agents of disease transmission rather than continuing sources of potential disease outbreaks. Humans may serve both as disease reservoirs and carriers. Disease Reservoir,Human Disease Reservoirs,Infectious Disease Reservoir,Reservoirs of Infection,Infectious Disease Reservoirs,Disease Reservoir, Human,Disease Reservoir, Infectious,Disease Reservoirs, Human,Human Disease Reservoir,Infection Reservoir,Infection Reservoirs,Reservoir, Disease,Reservoir, Infectious Disease,Reservoirs, Human Disease
D005604 Francisella tularensis The etiologic agent of TULAREMIA in man and other warm-blooded animals. Bacterium tularense,Brucella tularensis,Francisella tularense,Pasteurella tularensis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000906 Antibodies Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).
D001717 Birds Warm-blooded VERTEBRATES possessing FEATHERS and belonging to the class Aves. Aves,Bird
D012377 Rodentia A mammalian order which consists of 29 families and many genera. Beavers,Capybaras,Castor Beaver,Dipodidae,Hydrochaeris,Jerboas,Rodents,Beaver,Capybara,Hydrochaeri,Jerboa,Rodent,Rodentias
D014406 Tularemia A plague-like disease of rodents, transmissible to man. It is caused by FRANCISELLA TULARENSIS and is characterized by fever, chills, headache, backache, and weakness. Francisella tularensis Infection,Francisella tularensis Infections,Infection, Francisella tularensis,Tularemias

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