Here are microfilaria. These tiny worms circulate in the bloodstream. There are several species with slightly different clinical characteristics, but they are spread by mosquitos.

微丝蚴随血液循环，不同种属在临床症状上稍有不同，但是它们均由蚊子传播。

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Here are microfilaria. These tiny worms circulate in the bloodstream. There are several species with slightly different clinical characteristics, but they are spread by mosquitos.

微丝蚴随血液循环，不同种属在临床症状上稍有不同，但是它们均由蚊子传播。

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