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inglés
The cercariae are very particular over where they develop, needing small, forested areas with streams to infect their human host.
en.wikipedia.org
Tadpoles then become infected by ingestion of such encysted metacercariae or inhalation of free cercariae and attach onto the large intestine and become gravid.
en.wikipedia.org
Public education of risk factors, a good alternative to the aforementioned interventionist strategies, can also reduce human exposure to cercariae.
en.wikipedia.org

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