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Summary of the effects of pesticide esfenvalerate exposure at low (80 μg/l) or high (1,800 μg/l) levels and exposure to trematode infection on the number of eosinophils (left) and the proportion of cercariae (out of exposure to 50 cercariae) that successfully encysted (right). (Inset) Typical wood frog eosinophil with RBCs, cercariae, and metacercariae, for reference (data summarized from Kiesecker 2002)
