Undulant fever, known also as Malta fever, Mediterranean fever, and Gibraltar fever, is characterized by continued fever, or fever with short remissions and relapses, neuralgic pains, joint swelling, orchitis, and profuse perspiration.
DISTRIBUTION: Text books state that undulant fever has not been reported north of latitude 45°N. or south of 40°S. latitude. It is known to have occurred in every part of the island of Malta.Orr and Huddleson (1) have reported sixteen cases of undulant fever occurring in Michigan from June 1926 to October 1927. Cases of undulant fever due to the Bacillus abortus have been reported in New