Publication details

Monitoring prevalence patogenní Borrelia burgdorferi sensu lato

Title in English Monitoring prevalence of pathogens Borrelia burgdorferi sensu lato
Authors

ŽÁKOVSKÁ Alena KUČEROVÁ Hana NEJEZCHLEBOVÁ Helena BARTOŇKOVÁ Naďa RAŠOVSKÁ Tereza NOREK Adam

Year of publication 2011
Type Article in Periodical
Magazine / Source Klinická mikrobiologie a infekční lékařství
MU Faculty or unit

Faculty of Science

Citation
Field Physiology
Keywords Lyme borreliosis Borrelia burgdorferi sensu lato spirochetes DFM
Attached files
Description Objective: The aim of the article is to present the results of monitoring the prevalence of the spirochete Borrelia burgdorferi sensu lato (Bbsl) in Ixodes ricinus ticks in two different locations in the city of Brno, Pisárky and Zamilovaný hájek (ZH). At the same time, factors potentially affecting the activity of ticks in these locations were studied. Results of the monitoring carried out in the first three spring months of the year 2011 are compared with 2010 results. Material and Methods: In 2010–2011, Ixodes ricinus ticks were periodically sampled in two locations in Brno by flagging. Ticks were investigated by dark field microscopy (DFM) for the presence of spirochetes. DFM-positive samples from 2010 were tested by PCR to identify Bbsl. Results: In the first three spring months (March–May) of 2011, a total of 234 ticks were collected in Pisárky and 211 ticks in ZH. Positive samples detected by DFM accounted for 5.56 % in Pisárky and 25.12 % in ZH. PCR confirmed Bbsl in at least 75 %. Statistical analysis confirmed the dependence of tick activity on the air temperature in both locations. Conclusion:Within the same city, seroprevalence was found to be different in two locations. High seroprevalence in ZH (25.12 %) could be attributed to focal spread of the disease from several sources, both ticks and reservoirs such as rodents. This may results in unfavourable epidemiological situation in Brno. On the other hand, the seroprevalence rates in Pisárky are consistent with findings from an earlier long-term study.
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