Abstract
Ticks are among the most competent and versatile of all arthropod vectors of zoonotic infectious diseases. Besides transmission by tick bites, tick-borne infectious diseases can also be transmitted to humans by blood transfusions and organ transplants, and babesiosis, a tick-borne infection caused by malaria-related parasites, can be transmitted congenitally. Climatic and human behavioral changes now place humans and ticks together outdoors for longer periods, increasing the risks of tick-borne infectious diseases, now among the most commonly reported arthropod-borne infectious diseases in the United States and Europe. First described in 1912 in Australia, Canada, and the United States, tick paralysis is a rare, regional, and seasonal cause of acute ataxia and ascending paralysis, with an incubation period of 4 to 7 days after female tick attachment, mating, and blood-feeding. Although 43 species of ticks have been implicated in tick paralysis cases worldwide, most cases occur in the US and Canadian Pacific Northwest (Washington State and British Columbia) and in Australia. Most cases of tick paralysis can be managed by removing the tick with forceps (or tweezers) in order to restore neuromuscular function within 24 hours.
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More From: Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases
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