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Why the US Drops 14.7 Million Worms On Panama Every Week

Why the US Drops 14.7 Million Worms On Panama Every Week

Half as Interesting
1 HN recommenders · discussed 2024–2025
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About this video

A Half as Interesting explainer on the US program that drops millions of sterile screwworm flies over Panama every week to keep the parasite out of North America.

Why it appears in the archive

Cited in screwworm threads as a short description of the sterile-insect barrier system that worked for decades.

AI-generated summary and labels from the source dataset; verify important details against the video. Source & credits.

From the Hacker News discussion

colechristensen · 2025-08 · rec

Here's a video describing the system that fell apart which had been working for a long time to keep these flies out of north america [VIDEO]

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positr0n · 2024-09 · reference

Wow bummer, do you have a good link about that? Screw worms are controlled very successfully this way, although they are sterilized via radiation not genetic modification. I wonder if that makes a difference. Sorry to ask you for a link and use a YouTube video as my source but it's the best I got right now: [VIDEO]

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anitil · 2024-10 · reference

I believe now they use sterile mosquito larva to achieve the same now [0], though it's from a youtube video so I'm not sure how much to trust it. [0] [VIDEO]

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