# Test that found source of US explosive diarrhoea outbreak was false positive, health officials say

- Published: 2026-07-20T02:35:04Z
- Updated: 2026-07-20T16:11:59Z
- Section: World
- Language: English (en)
- Source: BBC News — https://www.bbc.co.uk/news/articles/c4gw9n1kx9do?at_medium=RSS&at_campaign=rss
- Tags: BBC News · World
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The latest update from the US Food and Drug Administration means the exact source of the parasite is still not known.

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