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Researcher raises botflies under his skin I NOVA I PBS

NOVA PBS Official | January 23, 2026



“I know it sounds weird, but I felt an almost father-child relationship with this organism that was growing in my body,” the entomologist says.

Stream “NOVA Wonders: What’s Living in You?” online or on the PBS app now at: pbs.org/wgbh/nova/wonders/#living-in-you

Digital Producer
Michael Rivera

WHAT’S LIVING IN YOU?
Written, Produced, and Directed by
Peter Yost

© WGBH Educational Foundation 2018

Written by NOVA PBS Official

Comments

This post currently has 34 comments.

  1. @Lume-e3b

    January 23, 2026 at 5:22 pm

    Not all botfly larvae produce painkillers or produce antibiotic. MOST parasites do NOT. MANY of them cause pain, inflammation, itching, infection, sores, sepsis and necrosis.

  2. @KaijuParadiseStuffOOO

    January 23, 2026 at 5:22 pm

    there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin there are bugs under your skin

  3. @chubbygardener

    January 23, 2026 at 5:22 pm

    I saw those 45 years ago. I'm from Venezuela, they're not common at all in urban areas but we lived in a suburbs just sided by a national park at the edge of the city. One of my neighbors had nears 10 children, they're very poor and they backyard was a real mess. Two of the children began to develop some bumps on their heads. Not pain, not fever. So they didn't care about it.
    Luckily another neighbor was studying medicine in Caracas, she saw one of the children and got interested. She could see the worms inside, they were very developed, not vacuum system, so she used a old treatment. A substance called "Chimó", it's like a chewing paste made of tabacco. She put the Chimó over the little holes and the worms began to go outside and she trapped all of them. I was 14, and got so impressed that I never forgot that.

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