"Oh, how absolutely divine, golly. Well, I'm the Grand Vizier - if you ever took part in the 'Usurper's Payback' quest, you'll know me. I turn into a giant seal and try to overthrow King Strom, quite diabolical don't you know, though that quest has been getting hardly any mileage since His Highness has started having his funny turns."

Handwave.

"So, anyway, this here Infection. There's an information terminal in a cave not too far from here which you should check out. Direct access to system maintenance, very efficient, assuming it hasn't broken down yet. I can give you a map."