Results 261 to 270 of about 24,865 (316)

The impact of the COVID-19 pandemic on healthy volunteer motivations: a mixed-methods study of participants in plague vaccine trials in the UK and Uganda

Stuart A, Muhumuza R, Kusemererwa S, Ndagire MT, Hill M, O'Reilly PJ, Onyango M, Solomon W, Akankunda P, Masawi S, Ssendagire S, Murphy D, Vanderslott S, Rollier CS, Ruzagira E, Pollard AJ, Kyegombe N.   +16 more
europepmc   +1 more source

[Experience with the classification of natural foci of plague in non-tropical Eurasia. I. Principles of typology and classification of natural foci of infection].

Meditsinskaia parazitologiia i parazitarnye bolezni, 1998
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The Significance of Fleas (Siphonaptera) in the Natural Plague Foci

Entomological Review, 2020
The role of fleas in the manifestations of plague epizootics in the natural plague foci in Russia and adjacent states is discussed. The specific conditions of pathogen transmission in each focus are determined by the vital activities of several species of fleas that are parasites of the main plague carrier.
B. K. Kotti, M. V. Zhilzova
semanticscholar   +3 more sources

Changes in Flea (Siphonaptera) Vector Activity in the Siberian Natural Plague Foci

Entomological Review, 2019
Comparative analysis of vector activity of fleas in the Siberian natural plague foci was carried out during two long-term periods of experimental studies: 1967–1980 and 1983–2007. The data on block formation frequency in adult fleas infected with Yersinia pestis were analyzed for 127 experiments with 15 flea species and subspecies.
D. B. Verzhutsky, L. P. Bazanova, E. G. Tokmakova   +2 more
semanticscholar   +3 more sources

A Population-Based Approach to Determining the Borders and Number of Natural Plague Foci

Biology Bulletin, 2020
A population-based approach to determining the borders and number of natural plague foci implies that the specialists in the field accept the concept that the existence of a natural plague focus is always provided by a single population of the main carrier. The discussion of this approach was motivated by the data collected in the course of a long-term
A. A. Sludsky, A. V. Boiko, M. N. Lyapin, M. A. Tarasov   +3 more
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Intraspecies classification of rhamnose-positive Yersinia pestis strains from natural plague foci of Mongolia

Molecular Genetics, Microbiology and Virology, 2015
Comparative analysis of rhamnose-positive Y. pestis strains, which are traditionally recognized as the biovar altaica, was performed with the use of molecular typing. The strains were isolated from the natural plague foci of the Changay mountainous system and the Sailugem natural plague focus in Mongolia.
M. E. Platonov, V. V. Evseeva, D. V. Efremenko, M. V. Afanas’ev, D. B. Verzhutski, I. V. Kuznetsova, M. Yu. Shestopalov, S. V. Dentovskaya, A. N. Kulichenko, S. V. Balakhonov, A. P. Anisimov   +10 more
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Natural foci of plague in Kazakhstan in the space-time continuum

Comparative Immunology, Microbiology and Infectious Diseases, 2023
The relevance of the problem of the stated topic lies in the fact that the causative agent of the plague infection demonstrates high survival while maintaining high virulence in the territories, which are enzootic in terms of the plague. The study aimed to investigate the geographic distribution and genetic diversity of the plague pathogen in endemic ...
Ziyat, Abdel, Beck, Abdeliyev, Duman, Yessimseit, Elmira, Begimbayeva, Raikhan, Mussagalieva   +4 more
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Biological properties and molecular and genetic characteristics of plague microbe strains circulating in sandy natural plague foci of the Republic of Kazakhstan

, 2020
Since 2010, an active course of epizootics with the release of the plague pathogen, isolated from hosts and vectors has been established in 8 autonomous foci of the plague from 14 autonomous foci of the Central Asian plague focus in Kazakhstan.
Z. Abdel, Т.V. Меkа-Меchеnkо, А.А. Аbdirasilova, R. S. Musagaliyeva, Zh.S. Dalibayev, E. Begimbayeva, I. Utepova, А.М. Matzhanova, D. Yessimseit, B. Abdeliyev, А. Rysbekova, А.К. Kasenova, S. Umarova   +12 more
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Spatial and temporal characterisation of genetic and phenotypic properties of Yersinia pestis in Kazakhstan’s natural plague foci

Environmental Analysis Health and Toxicology
The study aimed to analyse data from epizootological monitoring, microbiological and molecular genetic studies to assess the genetic biodiversity of Yersinia pestis (Y.
Abdel Ziyat, Z. Zhumadilova, R. Mussagalieva, D. Otebay, B. Abdeliyev   +4 more
semanticscholar   +1 more source

Fleas (Siphonaptera) as vectors in natural plague foci worldwide: host-parasite relationships, faunistic and geographical analysis, epizootic significance

Паразитология / Parasitology
The fauna of fleas in the world is currently known by 2162 species, of which 262 species (12.1%) from 6 families are found infected with plague in nature.
S. G. Medvedev
semanticscholar   +1 more source