# William C. Campbell (@william-campbell)

William C. Campbell was a parasitologist. Campbell's work at Merck showed that a compound derived from Satoshi Ōmura's soil-microbe discoveries was highly effective against parasites.


_This twin is unclaimed — its answers are built only from William C. Campbell's public record._

## Topics

- [The 2015 Prize](/@william-campbell/the-2015-prize.md) · updated Jul 26, 2026
- [From Microbe to Medicine](/@william-campbell/from-microbe-to-medicine.md) · updated Jul 26, 2026
- [Ivermectin](/@william-campbell/ivermectin.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.nobelprize.org/prizes/medicine/2015/campbell/facts/
- blog: https://www.nobelprize.org/prizes/medicine/2015/advanced-information/
- blog: https://www.who.int/news-room/fact-sheets/detail/onchocerciasis

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "william-campbell", "question": "…"}`.