A hypersensitivity reaction to a tick bite may aid detection in a few individuals, but most people will be unaware that a tick is attached.
蜱虫叮咬后的过敏反应，可能有助少数人发现蜱虫，但大多数人还是蒙在鼓里。
Some people may have an allergic reaction to a tick bite.
对于蜱虫叮咬有的人会出现过敏反应。
Symptoms may begin from 1 day to 3 weeks after the tick bite.
这些症状可能会在蜱虫叮咬后一天到三个星期后出现。
Tick paralysis is a rare problem that may occur after a tick bite.
蜱瘫痪是一种蜱虫叮咬后可能发生的问题，不过十分罕见。
The main infection factors were working in pastureland, tick bite and contact with XHF patients.
主要感染因素为进入牧场、硬蜱叮咬和接触出血热病人。
The main infection factors were working in pastureland, tick bite and contact with XHF patients.
主要感染因素为进入牧场、硬蜱叮咬和接触出血热病人。
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