We've found the thing we were looking for, the germ of trench fever.

Tolkien survived, mainly due to the persistent recurrence of trench fever, which saw him invalided back to England.

Got a touch of trench fever.

For the last two years he had been investigating trench fever, with results that were to make him famous.

Just now much sickness occurred among the officers, John Stockton, Moorat and several others being obliged to go away by attacks of trench fever.