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Table 4 Number of ticks by age group (humans) and developmental stage and sex (ticks); n.d. not determined

From: Ticks infesting humans and associated pathogens: a cross-sectional study in a 3-year period (2017–2019) in northwest Italy

Age group (years) Life stage
Larvae Nymphs Female Male n.d. Total
≤ 18 22 321 78 4 25 450
18–50 2 211 99 2 32 346
51–69 4 199 117 2 36 358
≥ 70 2 34 75 0 13 124
Not determined 0 6 4 1 1 12
Total 30 765 369 8 106 1290