Why some parasitic worms persist in people

Posted by on May 22, 2019 2:19 pm
Categories: health

A new study may explain why some people struggle to expel parasitic worms that infect their intestines. The research suggests that the phenomenon is primarily a numbers game: Large groups of worms can overwhelm the immune system and kick-start a self-perpetuating cycle that nearly guarantees their survival, whereas smaller groups and lone worms cannot.

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