User blog comment:D2r/Unanswered Questions of Redwall/@comment-174.70.39.218-20110425193131/@comment-1479469-20110425193844

The only epidemic I recall was dryditch fever, however, you have to admit that it's never made clear. This is most likely because nobody seriously wants to read about that kind of detail - but you have to admit it's left kind of open. The ship one kinda bothers me too, though.