نتایج جستجو برای: vaccinal serovars of leptospira
تعداد نتایج: 21164738 فیلتر نتایج به سال:
Leptospirosis is one of the major zoonotic diseases worldwide. This disease is caused by various serovars of Leptospira interrogans sensu lato infection. Although the rabbits are known to be one of the reservoirs and transmission sources of leptospirosis, but the status of this infection in rabbits in Iran remains unknown, so this survey was conducted to evaluate the seroprevalence of leptospir...
Cross protective antigenicities of Leptospira were studied with 16 antisera to 13 serovars of Leptospira interrogans and a virulent strains "Shibaura (V)", which is now considered to belong to serovar copenhageni, for challenge. The antisera of the rabbits highly immunized with various serovar live antigens were examined for leptospiricidal activity; cross immunity was recognized only in the sa...
A total of 400 serum samples collected from patients, clinically suspected of leptospirosis, were evaluated for antibodies by LEPTO dipstick and microscopic agglutination test (MAT). Twenty of these patients (5%) had serological evidence of leptospirosis. Leptospira interrogans serovars Autumnalis and Icterohaemorrhagiae, Canicola and Javanica were serogroups recorded serologically. Fever and j...
Leptospirosis is a zoonotic and an emerging infectious disease caused by the pathogenic Leptospira species (Levett, 2001). Leptospirosis is transmitted directly or indirectly through urine of infected animals or environments contaminated with urine of reservoir animals (Bharti et al., 2003; Ullmann & Langoi, 2011). Serovar identification of Leptospira isolates constitutes an important component...
BACKGROUND Leptospiral infections in poikilothermic (cold blooded) animals have received very little attention and the literature concerning natural infections of these animals is limited. The aim of this study was to determine the prevalence of leptospiral antibodies in reptiles, imported into Slovenia and intended to be pets in close contact with humans. A total of 297 reptiles (22 snakes, 21...
BACKGROUND Leptospirosis is a worldwide zoonotic bacterial disease caused by infection with leptospires. Leptospirosis in humans and livestock is an endemic and epidemic disease in Thailand. Livestock may act as reservoirs for leptospires and source for human infection. METHODOLOGY/PRINCIPAL FINDINGS Data on leptospirosis infection in humans and livestock (Buffaloes, Cattle, and Pigs) species...
Serum samples collected from Iberian red deer (Cervus elaphus hispanicus; n=472), fallow deer (Dama dama; n=293) and European wild boar (Sus scrofa; n=174) in Asturias, Northern Spain, from 1999 to 2005 were examined for antibodies against a reference panel of 14 Leptospira spp. serovars. Positive antibody titres at a microscopic agglutination test cut-off of 1:80 were detected against serovars...
Lipopolysaccharide is the major surface antigen of Leptospira. Variation in LPS structure is the basis for the more than 200 serovars that have been identified. Despite the importance of this antigen in immunity and diagnostics, there is relatively little known about the genetics and chemistry of leptospiral LPS, as compared to some members of the Enterobacteriaceae. The nucleotide sequence of ...
Leptospirosis is a reemerging and a complex zoonotic bacterial disease, caused by pathogenic serovars of Leptospira interrogans. A total of 124 sera samples of dogs belonging to different categories like vaccinated, unvaccinated-semiowned, and stray dogs were subjected to sampling. Microscopic agglutination test (MAT) was conducted by using Leptospira culture. Out of 42 vaccinated dogs, 24 (57%...
Leptospira species colonize a significant proportion of rodent populations worldwide and produce life-threatening infections in accidental hosts, including humans. Complete genome sequencing of Leptospira interrogans serovar Copenhageni and comparative analysis with the available Leptospira interrogans serovar Lai genome reveal that despite overall genetic similarity there are significant struc...
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