Monitoring of ticks and tick-borne pathogens through a nationwide research station network in Finland

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http://hdl.handle.net/10138/318590

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Sormunen , J J , Andersson , T , Aspi , J , Back , J , Cederberg , T , Haavisto , N , Halonen , H , Hanninen , J , Inkinen , J , Kulha , N , Laaksonen , M , Loehr , J , Makela , S , Makinen , K , Norkko , J , Paavola , R , Pajala , P , Petaja , T , Puisto , A , Sippola , E , Snickars , M , Sundell , J , Tanski , N , Uotila , A , Vesilahti , E-M , Vesterinen , E J , Vuorenmaa , S , Ylonen , H , Ylonen , J & Klemola , T 2020 , ' Monitoring of ticks and tick-borne pathogens through a nationwide research station network in Finland ' , Ticks and tick-Borne diseases , vol. 11 , no. 5 , 101449 . https://doi.org/10.1016/j.ttbdis.2020.101449

Title: Monitoring of ticks and tick-borne pathogens through a nationwide research station network in Finland
Author: Sormunen, Jani J.; Andersson, Tommi; Aspi, Jouni; Back, Jaana; Cederberg, Tony; Haavisto, Noora; Halonen, Hanna; Hanninen, Jari; Inkinen, Jasmin; Kulha, Niko; Laaksonen, Maija; Loehr, John; Makela, Satu; Makinen, Katja; Norkko, Joanna; Paavola, Riku; Pajala, Pauliina; Petaja, Tuukka; Puisto, Anna; Sippola, Ella; Snickars, Martin; Sundell, Janne; Tanski, Niko; Uotila, Antti; Vesilahti, Ella-Maria; Vesterinen, Eero J.; Vuorenmaa, Silja; Ylonen, Hannu; Ylonen, Jari; Klemola, Tero
Contributor: University of Helsinki, Viikki Plant Science Centre (ViPS)
University of Helsinki, Biological stations
University of Helsinki, Biological stations
University of Helsinki, Department of Forest Sciences
University of Helsinki, Biological stations
University of Helsinki, Biological stations
University of Helsinki, Institute for Atmospheric and Earth System Research (INAR)
University of Helsinki, Biological stations
University of Helsinki, Hyytiälän metsäasema
University of Helsinki, Swedish University of Agricultural Sciences
University of Helsinki, Hyytiälän metsäasema
Date: 2020-09
Language: eng
Number of pages: 10
Belongs to series: Ticks and tick-Borne diseases
ISSN: 1877-959X
URI: http://hdl.handle.net/10138/318590
Abstract: In 2015 a long-term, nationwide tick and tick-borne pathogen (TBP) monitoring project was started by the Finnish Tick Project and the Finnish Research Station network (RESTAT), with the goal of producing temporally and geographically extensive data regarding exophilic ticks in Finland. In the current study, we present results from the first four years of this collaboration. Ticks were collected by cloth dragging from 11 research stations across Finland in May September 2015-2018 (2012-2018 in Seili). Collected ticks were screened for twelve different pathogens by qPCR: Borrelia afzelii, Borrelia garinii, Borrelia valaisiana, Borrelia burgdorferi sensu stricto, Borrelia miyamotoi, Babesia spp., Anaplasma phagocytophilum, Rickettsia spp., Candidatus Neoehrlichia mikurensis, Francisella tularensis, Bartonella spp. and tick-borne encephalitis virus (TBEV). Altogether 15 067 Ixodes ricinus and 46 Ixodes persulcatus were collected during 68 km of dragging. Field collections revealed different seasonal activity patterns for the two species. The activity of I. persulcatus adults (only one nymph detected) was unimodal, with activity only in May July, whereas Ixodes ricinus was active from May to September, with activity peaks in September (nymphs) or July August (adults). Overall, tick densities were higher during the latter years of the study. Borrelia burgdorferi sensu lato were the most common pathogens detected, with 48.9 +/- 8.4% (95% Cl) of adults and 25.3 +/- 4.4% of nymphs carrying the bacteria. No samples positive for F. tularensis, Bartonella or TBEV were detected. This collaboration project involving the extensive Finnish Research Station network has ensured enduring and spatially extensive, long-term tick data collection to the foreseeable future.
Subject: Ticks
Tick-borne pathogens
Monitoring
Longitudinal study
Nationwide
CANDIDATUS NEOEHRLICHIA MIKURENSIS
IXODES-RICINUS TICKS
BURGDORFERI SENSU-LATO
LYME BORRELIOSIS
PREVALENCE
DISEASE
ACARI
COINFECTIONS
POPULATION
INFECTION
1181 Ecology, evolutionary biology
11832 Microbiology and virology
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