A One-Health Approach to Investigating an Outbreak of Alimentary Tick-Borne Encephalitis in a Non-endemic Area in France (Ain, Eastern France): A Longitudinal Serological Study in Livestock, Detection in Ticks, and the First Tick-Borne Encephalitis Virus Isolation and Molecular Characterisation

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Published online 2022 Apr 11. doi: 10.3389/fmicb.2022.863725

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TABLE 2

Number of questing ticks collected and mean density per habitat.

Habitat	No. sub-areas	Sampled surface (m²)	No. nymphs	No. female	No. male	Density of nymphs (/100 m²)
						mean	Range
Forest	3	540	382	10	20	71.5	64.2–81.3
Additional collection	/	/	285	7	5	/	/
Pasture
Wooded area	3	300	105	6	3	31.7	20.0–50.0
Wooded edge	5	400	94	2	2	24.0	5–56.7
Hedgerows	7	870	4	0	0	0.3	0–1.1
Meadow between 3 and 10 m from the wooded edge	4	530	35	2	1	4.5	0–8.8
Meadow between 3 and 10 m from the hedgerow	4	400	2	0	0	0.3	0–1.1
Meadow > 10 m from the edge	6	600	0	0	0	0	0