Temat: infection source - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Crustacean species as a source of infection of Baltic cod (Gadus morhua) with intestinal helminths
Autorzy:: Pawlak, J.
Nadolna-Altyn, K.
Podolska, M.
Powiązania:: https://bibliotekanauki.pl/articles/6433.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: crustacean species
infection source
parasitic infection
Baltic cod
cod
Gadus morhua
stomach
Saduria entomon
Crangon crangon
Pontoporeia femorata
Gammarus
intestinal helminth
helminth
Źródło:: Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Changes in leptospirosis etiology in animals and humans
Autorzy:: Vasylieva, Natalia
Andreychyn, Mykhaylo
Kravchuk, Yulia
Chervinska, Оlena
Iosyk, Iaryna
Powiązania:: https://bibliotekanauki.pl/articles/989991.pdf
Data publikacji:: 2017
Wydawca:: Instytut Medycyny Wsi
Tematy:: morbidity
leptospirosis
farm animals
source of infection
small mammals
Opis:: Introduction. Leptospirosis is endemic in Ternopil region. In Ukraine, the disease is registered in almost all regions, including the Ternopil region. The aim of the research is to study the regularities of epidemic and epizootic processes of leptospirosis, and the circulation of its pathogens among different sources (small mammals, animals) and humans. Materials and method. Etiologic spectrum of leptospirosis registered in Ternopil region in 1972–2016 among small mammals, farm animals and sick people was studied. Results. Due to the analysis of pathogens circulation among different sources (small mammals, animals), as well as the annual morbidity in humans, it was proved that new leptospira serovars are endemic and brought into the regions mostly by farm animals. Farm animals introduce the infection to humans through the environment, sometimes within 3–5-years. The spread was observed of pathogen serovars, which are new in certain areas, among all types of mouse-like small mammals and rats. It was established that livestock and small mammals are parallel reservoirs. Conclusions. In the regions with endemic species, the structural modification in the etiology of leptospirosis in humans is caused by additional reservoirs among animals, as well as the circulation of other pathogen serovars that were absent in the main natural reservoir, i.e. mouse-like small mammals and rats. The constant monitoring of the population, contamination and carrier state of mouse-like small mammals, rats and farm animals, is required In order to predict the future epidemiological situation on leptospirosis among the population and to improve leptospirosis diagnosis.
Źródło:: Annals of Agricultural and Environmental Medicine; 2017, 24, 4
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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Tytuł:: The role of particular tick developmental stages in the circulation of tick-borne pathogens affecting humans in Central Europe. 1. The general pattern
Autorzy:: Karbowiak, G.
Biernat, B.
Szewczyk, T.
Sytykiewicz, H.
Powiązania:: https://bibliotekanauki.pl/articles/6512.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: tick
development stage
circulation
tick-borne pathogen
human infection
enzootic source
Ixodes ricinus
Dermacentor reticulatus
Dermacentor marginatus
Central Europe
Europe
Opis:: Tick-borne pathogens are common in the natural environment, but their occurrence has a focal character. They occur in the natural environment in the form of the enzootic sources of infection. The general components include the animal reservoir, amplifiers and the efficient vector. However, the particular role of components can differ depending on the pathogen, the host range and possible transmission routes. Animal reservoir of pathogen are vertebrate animals, being the hosts of pathogens. In Europe these are small or medium-sized mammals and sometimes birds that feed on the ground. The competence of an animal reservoir is determined by the ability to communicate the infection; long-term persistence of the pathogen in the host; long-duration of infectivity of the animal for ticks; a sufficient number of animals in the endemic region. Amplifiers for ticks are artiodactyls. They are hosts for nymphs and adult ticks, thereby making it possible for ticks to propagate and maintain the proper size of their population. Efficient vector for pathogen are ticks. The first characteristic feature of efficient vectors is feeding duration exceeding 24 hours; the high density of the tick population. The conditions necessary to consider ticks as efficient vectors are met in Central Europe by the Ixodes ricinus, Dermacentor reticulatus and D. marginatus ticks. There are the general differences in biology between Ixodes persulcatus complex ticks and Dermacentor ticks, affecting their different role and ability in pathogens spreading – the range of hosts; the ability to inhabiting of various environments and resistance to unfavourable conditions; the duration of larvae and nymphs activity. The combination of tick’s biology, pathogen ability to transmission, and mammal hosts’ competence, determines the particular role of larvae, nymphs and adults in pathogen circulation in the natural environment, as well as transmission to new hosts.
Źródło:: Annals of Parasitology; 2015, 61, 4
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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