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Updated: Jun 8, 2026

Detecting the Lyme Disease Spirochete, Borrelia Burgdorferi, in Ticks Using Nested PCR
Published on: February 4, 2018
[Seroprevalence of Lyme disease in Navarra, Spain]
Julio Oteiza-Olaso1, Gregorio Tiberio-López, Víctor Martínez de Artola
1Servicio de Medicina Interna, Hospital San Juan de Dios, Pamplona, Navarra, España. julio.oteiza@unavarra.es
Background And Objective:
To establish the seroprevalence of infection by Borrelia burgdorferi in Navarre (Spain).
Patients And Method:
Serum samples of 1,429 individuals considered representative of the population of Navarre were analyzed. The individuals were recruited from a list issued by the government of Navarre. The subjects were stratified according to three variables: age, sex and the health zone to which they belonged. In all cases a written informed consent was obtained.
Results:
The global seroprevalence in Navarre was 4.4%. Being a stockbreeder (13.2%) in contact with cows and sheep was found to be a risk factor after the analysis of different variables such as sex, age, contact with cattle, profession, living in rural areas, a prior history of having been bitten by a tick or the size of the city.
Conclusions:
Navarre provides suitable conditions for the prevalence and development of Lyme disease, with a global seroprevalence or 4.4%. No differences were found between the different areas analyzed, while being a stockbreeder represents a risk factor.
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