# Ivermectin: Much More Than You Wanted To Know - Astral Codex Ten
## Highlights
### q1 parasitic worms are common in the developing world
> Here’s the prevalence of roundworm infections by country ([source](https://journals.sagepub.com/doi/full/10.1177/2058739220959915)). But alongside roundworms, there are threadworms, hookworms, blood flukes, liver flukes, nematodes, trematodes, all sorts of worms. Add them all up and somewhere between half and a quarter of people in the developing world have at least one parasitic worm in their body.
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> Treatment of worm infections might reduce the negative effect of COVID-19! And ivermectin is a deworming drug!
- [View Highlight](https://astralcodexten.substack.com/p/ivermectin-much-more-than-you-wanted?token=eyJ1c2VyX2lkIjo4MDc2ODE1LCJwb3N0X2lkIjo0MzY2NzI3NSwiXyI6InpOWllYIiwiaWF0IjoxNjM3MTUyMTMyLCJleHAiOjE2MzcxNTU3MzIsImlzcyI6InB1Yi04OTEyMCIsInN1YiI6InBvc3QtcmVhY3Rpb24ifQ.tRZm8BzoFvip8PzDrYdk88kEhI6aZYrZu163f4GSAqc&__readwiseLocation=0%2F191%2F0%2F3%2F0%2F0%2F0%2F1%2F2%2F0%2F1%3A0%2C0%2F191%2F0%2F3%2F0%2F0%2F0%2F1%2F2%2F0%2F1%3A110#:~:text=Treatment%20of%20worm%20infections%20might%2Civermectin%20is%20a%20deworming%20drug!)
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> The good ivermectin trials in areas with low *Strongyloides* prevalence, like Vallejos in Argentina, are mostly negative. The good ivermectin trials in areas with high *Strongyloides* prevalence, like Mahmud in Bangladesh, are mostly positive.
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