EhrlichiosisEhrlichia inhabit the Lone Star tick (Amblyomma americanum), the American dog tick (Dermacentor variabilis), and the deer ticks (
Ixodes dammini and
Ixodes ... Tick, deer engorged on the skinThis is an engorged deer tick (
Ixodes dammini) embedded in the skin of a human host. In the United States, these ticks are the primary source of Lyme
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