"Taxonomy"
You've just been bitten.
"Okay, I've cleaned it, slathered it with antiseptic, and confirmed your shots for rabies and conventional mouth-borne pathogens."
"But I'll be okay?"
"How the hell should I know in this city? Was the cat girl who bit you a mutant? If so, human or feline stock? Was she a were-cat? A felinoid alien? A cat girl-shaped robot? Do you even know?"
"She -- got away."
"So we have no real idea whether you're likely to suffer from a disease, curse, chest-burster, poison, fleas or what. Next time, bring in the perp."
"Um ... maybe you should look at these scratches, too."