Lactococcus Garvieae -

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

First identified in 1983 as a cause of bovine mastitis in the UK, L. garvieae was initially thought to be a minor veterinary concern. However, it soon revealed a different side: it was a primary driver of "Lactococcosis," a devastating septicemia in aquaculture . Over the next few decades, it "bounced" around