Université de Neuchâtel

Infection of field-collected Ixodes ricinus (Acari: Ixodidae) larvae with Borrelia burgdorferi in Switzerland

Zhioua, Elyes ; Aeschlimann, André ; Gern, Lise

In: Journal of Medical Entomology, 1994, vol. 31, no. 5, p. 763-766

Free-living larvae from natural areas in five regions in Switzerland were collected to determine the infection rate of Ixodes ricinus L. larvae by Borrelia burgdorferi Johnson. Larvae were examined for the spirochetes using direct fluorescent antibody assay. Of 652 larvae examined, spirochetes were detected in 20 (3.1%). No differences in infection rate among sites were detected....