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November 3, 1951


Author Affiliations

Amarillo, Texas

From the Medical Service, Veterans Administration Hospital.

JAMA. 1951;147(10):949-950. doi:10.1001/jama.1951.73670270001013

The following case report is believed to be the first report of a case of swineherd's disease (aseptic meningitis) due to Leptospira pomona occurring in this area. There was an outbreak of swineherd's disease due to Lept. pomona recently in Alabama. We communicated with Dr. Morris Schaeffer, medical officer in charge of the Virus and Rickettsia Section, Communicable Disease Center, Montgomery, Ala, for further information on this disease. Dr. Schaeffer sent us the following excellent discussion of this subject:

In this country we have been accustomed to thinking of leptospirosis only in the form of Weil's disease, producing severe liver damage with jaundice and causing a high mortality rate. The causative agent of this disease entity is usually ascribed to Lept. icterohaemorrhagiae, but it has been recognized for some time that another leptospiral agent, designated as Lept. canicola, which usually affects dogs, can also affect man and produce a milder

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