It can’t possibly be the “first” case. The cat got it from somewhere. https://www.abc.net.au/news/2024-02-13/cat-gives-owner-the-plague-oregon/103462552
Pet cat blamed for first case of bubonic plague in US state in nine years

It is the first time since 2015 that the bubonic plague has been detected in the state of Oregon.

ABC News

@NewtonMark 👀 😬

"The #bubonic #plague spreads to humans or animals through a bite from an infected flea or by contact with an animal sick with the disease."

@NewtonMark
Seeing many Bubonic plague articles/stories/videos over the last few weeks.

(Does this cat have a bioweapons laboratory? 🧐)