[I mean, technically they are in fact slightly different triggers. He frowns, just a little.]

There's a disease in my world known as the Starscourge that is, in fact, a magically modified malarial infection. The main distinguishing feature between the two is that the Scourge includes black blood as its distinguishing symptom - you shouldn't need to be concerned about it, though, there's no one here who has the infection and I doubt it could jump the world gap without a host.

[At least that is what he's choosing to believe for the sake of his sanity. Everyone he knows is clean and will remain that way.]