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Start Over Author "Lamsal, Alaka" Journal zoonoses and public health
5 results on '"Lamsal, Alaka"'

2. Prevalence of tick‐borne encephalitis virus in questing Ixodes ricinus nymphs in southern Scandinavia and the possible influence of meteorological factors

Author

Lamsal, Alaka, primary, Edgar, Kristin Skarsfjord, additional, Jenkins, Andrew, additional, Renssen, Hans, additional, Kjær, Lene Jung, additional, Alfsnes, Kristian, additional, Bastakoti, Srijana, additional, Dieseth, Malene, additional, Klitgaard, Kirstine, additional, Lindstedt, Heidi Elisabeth H., additional, Paulsen, Katrine M., additional, Vikse, Rose, additional, Korslund, Lars, additional, Kjelland, Vivian, additional, Stuen, Snorre, additional, Kjellander, Petter, additional, Christensson, Madeleine, additional, Teräväinen, Malin, additional, Jensen, Laura Mark, additional, Regmi, Manoj, additional, Giri, Dhiraj, additional, Marsteen, Leif, additional, Bødker, René, additional, Soleng, Arnulf, additional, and Andreassen, Åshild Kristine, additional

Published
2023
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3. Geographical distribution and prevalence of tick‐borne encephalitis virus in questing Ixodes ricinus ticks and phylogeographic structure of the Ixodes ricinus vector in Norway

Author

Vikse, Rose, primary, Paulsen, Katrine M., additional, Edgar, Kristin Skarsfjord, additional, H.‐O. Pettersson, John, additional, Ottesen, Preben Skrede, additional, Okbaldet, Yohannes Bein, additional, Kiran, Nosheen, additional, Lamsal, Alaka, additional, Lindstedt, Heidi Elisabeth H., additional, Pedersen, Benedikte Nevjen, additional, Soleng, Arnulf, additional, and Andreassen, Åshild K., additional

Published
2020
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5. Distribution of Neoehrlichia mikurensis in Ixodes ricinus ticks along the coast of Norway: The western seaboard is a low-prevalence region.

Author

Pedersen BN, Jenkins A, Paulsen KM, Okbaldet YB, Edgar KS, Lamsal A, Soleng A, and Andreassen ÅK

Subjects
Animals, Norway, Seasons, Anaplasmataceae classification, Anaplasmataceae isolation & purification, Ixodes microbiology
Abstract

Neoehrlichia mikurensis is a tick-borne pathogen widespread among ticks and rodents in Europe and Asia. A previous study on Ixodes ricinus ticks in Norway suggested that N. mikurensis was scarce or absent on the south-west coast of Norway, but abundant elsewhere. The aim of this study was to further investigate the prevalence and distribution of N. mikurensis along the western seaboard of Norway in comparison with more eastern and northern areas. The second aim of the study was to examine seasonal variation of the bacterium in one specific location in the south-eastern part of Norway. Questing I. ricinus were collected from 13 locations along the coast of Norway, from Brønnøysund in Nordland County to Spjaerøy in Østfold County. In total, 11,113 nymphs in 1,113 pools and 718 individual adult ticks were analysed for N. mikurensis by real-time PCR. The mean prevalence of N. mikurensis in adult ticks was 7.9% while the estimated pooled prevalence in nymphs was 3.5%. The prevalence ranged from 0% to 25.5%, with the highest prevalence in the southernmost and the northernmost locations. The pathogen was absent, or present only at low prevalence (<5%), at eight locations, all located in the west, from 58.9°N to 64.9°N. The prevalence of N. mikurensis was significantly different between counties (p < .0001). No significant seasonal variation of N. mikurensis prevalence was observed in the period May to October 2015. Our results confirm earlier findings of a low prevalence of N. mikurensis in the western seaboard of Norway., (© 2019 The Authors. Zoonoses and Public Health published by Blackwell Verlag GmbH.)

Published
2020
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