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Title: | Data from: Lyme neuroborreliosis and bird populations in northern Europe | Data Creator - person: | Mysterud, Atle HEYLEN, Dieter Mathyssen, Erik Garcia, Aïda Jore, Solveig Viljugrein, Hildegunn |
Data Curator - person: | Mysterud, Atle | Data Curator - organization: | Dryad | Rights Holder - person: | Mysterud, Atle | Publisher: | Dryad | Issue Date: | 2019 | Abstract: | Many vector-borne diseases are transmitted through complex pathogen-vector-host networks, which makes it challenging to identify the role of specific host groups in disease emergence. Lyme borreliosis in humans is now the most common vector-borne zoonosis in the northern hemisphere. The disease is caused by multiple genospecies of Borrelia burgdorferi sensu lato bacteria transmitted by ixodid (hard) ticks, and the major host groups transmit Borrelia genospecies with different pathogenicity, causing variable clinical symptoms in humans. The health impact of a given host group is a function of the number of ticks it infects as well as the pathogenicity of the genospecies it carries. B. afzelii, with mainly small mammals as reservoirs, is the most common pathogen causing Lyme borreliosis, and it is often responsible for the largest proportion of infected host-seeking tick nymphs in Europe. The bird-borne B. garinii, though less prevalent in nymphal ticks, is more likely to cause Lyme neuroborreliosis, but whether B. garinii causes disseminated disease more frequently has not been documented. Based on extensive data of annual disease incidence across Norway from 1995-2017, we show here that 69 % of disseminated Lyme borreliosis cases were neuroborreliosis, which is three times higher than predicted from the infection prevalence of B. garinii in host-seeking ticks (21 %). The population estimate of migratory birds, mainly of thrushes, explained part of the annual variation in cases of neuroborreliosis, with a one-year time lag. We highlight the important role of the genospecies’ pathogenicity and the host associations for understanding the epidemiology of disseminated Lyme borreliosis. | Research Discipline: | Natural sciences > Biological sciences > Animal biology > Animal ecology (01060104) Natural sciences > Biological sciences > Genetics > Population, ecological and evolutionary genetics (01060706) |
Keywords: | Lyme borreliosis;tick-borne diseases;host populations;1995-2017;genospecies | DOI: | 10.5061/dryad.c7q3n2c | Link to publication/dataset: | http://datadryad.org/stash/dataset/doi:10.5061/dryad.c7q3n2c | Source: | Dryad. 10.5061/dryad.c7q3n2c http://datadryad.org/stash/dataset/doi:10.5061/dryad.c7q3n2c | Publications related to the dataset: | 10.1098/rspb.2019.0759 | License: | Creative Commons Zero v1.0 Universal (CC0-1.0) | Access Rights: | Open Access | Version: | 1.0 | Category: | DS | Type: | Dataset |
Appears in Collections: | Datasets |
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