ArticleParasites & vectors2022
Sympatric occurrence of Ixodes ricinus with Dermacentor reticulatus and Haemaphysalis concinna and the associated tick-borne pathogens near the German Baltic coast.
Article in Parasites & vectors, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 13 citations in OpenAlex.
- Risk Factors for Tick-Borne Diseases in Germany: A Scoping Review.Zoonoses and public health · 2026Article
- Identification and mapping of potential and highly likely vectors for selected vector-borne diseases in the EU and neighbouring countries.EFSA journal. European Food Safety Authority · 2026Article
- Sympatric Occurrence of Five Exophilic Tick Species in the Levice Region (Southwestern Slovakia) and Their Infection with Tick-Borne Pathogens.Pathogens (Basel, Switzerland) · 2026Article
- Spatial Heterogeneity of Tick-Borne Pathogens Outpaces Genetic Structuring in Anatolian Dermacentor reticulatus Populations.Transboundary and emerging diseases · 2026Article
- Country-wide assessment of tick-borne pathogens collected in ticks between 2021 and 2024 in Germany, with a focus onOne health (Amsterdam, Netherlands) · 2025Article
- Molecular Profiling of Ticks and Associated Pathogens: First Report ofTransboundary and emerging diseases · 2025Article
- Impact of climate change on vector- and rodent-borne infectious diseases.Journal of health monitoring · 2023Article
- Atlas of ticks (Acari: Argasidae, Ixodidae) in Germany: 1st data update.Experimental & applied acarology · 2023Article
- The Risk of Exposure to Ticks and Tick-Borne Pathogens in a Spa Town in Northern Poland.Pathogens (Basel, Switzerland) · 2022Article
- Update and prognosis ofFrontiers in veterinary science · 2022Article
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3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundIxodid ticks from the Northern Hemisphere have registered a northward expansion in recent years, and Dermacentor reticulatus is such an example in Europe, its expansion being considered a result of climate change alongside other factors. The aim of this study was to identify the composition of questing tick species and the associated pathogens at different sites near the German Baltic coast.
methodsQuesting ticks were collected monthly at four sites (May-November, 2020), mainly grasslands, and in October and November 2020 at a fifth site. Molecular screening of ticks for pathogens included RT-qPCR for the tick-borne encephalitis virus (TBEV), qPCR for Anaplasma phagocytophilum, PCR for Babesia species and Rickettsia species, and nested PCR for Borrelia species.
resultsAltogether 1174 questing ticks were collected: 760 Ixodes ricinus, 326 D. reticulatus and 88 Haemaphysalis concinna. The highest activity peak of I. ricinus and D. reticulatus was in May, in June for H. concinna while a second peak was observed only for I. ricinus and D. reticulatus in September and October, respectively. All samples tested negative for TBEV. For A. phagocytophilum, 1.5% of I. ricinus adults tested positive while the minimum infection rate (MIR) in nymphs was 1.3%. This pathogen was found in 0.6% of D. reticulatus. Babesia spp. were detected in I. ricinus (18.2% adults, 2.1% MIR in nymphs) and H. concinna (13.3% adults, 9.7% MIR in nymphs). Borrelia spp. were present only in I. ricinus (49.1% adults, 11.9% MIR in nymphs), while Rickettsia spp. were detected in I. ricinus (14% adults, 8.9% MIR in nymphs) and D. reticulatus (82%). Co-detection of pathogens was observed in 26.6% and 54.8% of positive I. ricinus adults and nymph pools, respectively, while one D. reticulatus tested positive for A. phagocytophilum and Rickettsia spp. The most common co-infection in I. ricinus adults was Babesia microti and Borrelia afzelii (12.3% of positive ticks).
conclusionsThe results of this study confirm the northern expansion of D. reticulatus and H. concinna in Germany. The detailed data of the infection levels at each location could be useful in assessing the risk of pathogen acquisition following a tick bite.
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