The greatest of these is lice, for lice may mean cerebro-meningitis.
"Leaves from a Field Note-Book"
J. H. Morgan
"It must be meningitis," Dr. Harkins finally said, and the other doctor nodded in agreement.
"Our Nervous Friends Illustrating the Mastery of Nervousness"
Robert S. Carroll
In cerebrospinal meningitis the causative agent is unknown, but probably exists in the feed.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler