Researchers have discovered that a group of viruses known to infect an agriculturally important plant pathogen has remained genetically stable for an astonishing four decades. The discovery of a disease-fighting virus that doesn't mutate at a rapid rate points the way toward new tools for fighti...

Source: [Phys.org](https://phys.org/news/2026-07-family-tree-viruses-grew-paves.html)

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