Figure 2From: Prevention of infectious tick-borne diseases in humans: Comparative studies of the repellency of different dodecanoic acid-formulations against Ixodes ricinus ticks (Acari: Ixodidae)Test in humans [A]. Relative repellency of ContraZeck® and Zanzarin® against I. ricinus nymphs. Each data point in the graph is the mean ± S.D. of relative repellency (with respect to the controls) in six volunteers and of 12 nymphys tested in each volunteer (n = 72) at the respective time interval.Back to article page