Board Thread:Theories Discussion/@comment-25886565-20150812203149/@comment-25886565-20150813003928

But the question then becomes why she didn't check Irina for it anyway, since being Kiril's sister, there would still be a high chance of her having it even if she doesn't show the symptoms. Unless either, like Acedia suggested, Kiril vouched for Irina, or Elluka wasn't as aware of how HER works as us fans are.