Borrelia-infection rates in tick and insect vectors accompanying human risk of acquiring Lyme borreliosis in a highly endemic region in Central Europe

Title:

Borrelia-infection rates in tick and insect vectors accompanying human risk of acquiring Lyme borreliosis in a highly endemic region in Central Europe

Creator:

Zeman, Petr

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:d348f780-118d-4190-83f4-6c4bfbc8c6e4
uuid:d348f780-118d-4190-83f4-6c4bfbc8c6e4
urnnbn:urn:nbn:cz:aba007-000dq9

Subject:

Lyme borreliosis, retrospective epidemiological data, statistical mapping, arthropod vectors, direct immunofluorescence assay, correlation, Central Bohemia, and geographical information system (GIS)

Type:

model:internalpart and TEXT

Format:

print

Description:

The methods of spatial statistics were applied to assess the geographical pattern of risk of Lyme borreliosis in Central Bohemia, the Czech Republic, based on retrospective data on disease contractions. The statistical risk was then compared at 15 selected localities with the infection challenge presented by ticks and insects carrying borreliae. Over 5,000 Ixodes ricinus (L.) ticks and 390 hacmatophagous dipterans were screened by direct immunofluorescence method, and the spatial and seasonal variance of infection rates were studied. Infected ticks were found at each locality throughout the warm season; in nymphs, sample infection rates ranged from 4.9% to 23.1% with a mean of 14.5% in spring, from 7.7% to 28.7% with a mean of 16.1% in summer, and from 7% to 20.6% with a mean of 13.6% in autumn. The statistical risk was found to correlate well with an average nymphal infection challenge, i.e. I. ricinus nymphal abundance x infection rate, at a given locality. Statistically significant cumulation of insect-history recalling patients into several, generally wetland, areas was ascertained; borreliae were revealed in 0.5% of the dipterans examined.

Language:

English

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

319-325 and 65-71

Source:

Folia parasitologica | 1998 Volume:45 | Number:4

Harvested from:

CDK

Metadata only:

false