Lactococcus Garvieae Apr 2026

Over the next few decades, it "bounced" around the world—appearing in Italy, Japan, South Africa, and Taiwan.

In 2020, it surfaced at a remote hatchery in California's Mojave Desert. To save the surrounding ecosystem, officials were forced to euthanize over 3 million trout to prevent the silent spread. A Cross-Species Mystery lactococcus garvieae

It first hit the Spanish trout industry, causing losses that eventually amounted to nearly 50% of production. Over the next few decades, it "bounced" around