Life cycle of the blacklegged tick. (IMAGE)
Caption
Life cycle of the blacklegged tick. Ticks take a blood meal at each life stage: larva, nymph, and adult. Ticks acquire pathogens by taking blood meals from infected animals (often rodents). The study focused on nymphal ticks, which are poppy seed sized. Their small size makes them hard to detect and remove, and more likely to pass pathogens to people.
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Credit: Leslie Tumblety/Cary Institute of Ecosystem Studies
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