He then gave the final report to the "skipper" who came to me and said, "You have the 'mud fever'."
I hope men do not get mud fever like horses; if so, we ought to do so!
You have all more or less had fever, but I guess there are none of you, over here, who knows of the "mud fever."
mud fever n.
Leptospirosis caused by the spirochete, Leptospira grippotyphosa.