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The initial, acute phase lasts for about two months after infection.
最初的急性期在感染之后持续约两个月。
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During the acute phase, a high number of parasites circulate in the blood.
在急性期，有大量寄生虫随血液循环。
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During the acute phase, a high number of parasites circulate in the blood.
在急性期，有大量寄生虫随血液循环。
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