HERMAN H. STONE, M.D.; CHARLES D. TOOL, M.D.; WILLIAM S. PUGSLEY, M.D.
Since World War II there have been numerous reports of the occurrence of kala-azar in service men returning from endemic areas in the Mediterranean coastal countries,1, 2, 3, 4, 5, 6, 7 India and North China.13, 14 To our knowledge, there has been no report of a case contracted within the United States.
The minimal incubation period in 22 cases reviewed by the authors varied between one11 and 237 months. Ecker and Lubitz11 state that it may vary from two weeks to more than a year, with an average of from two to four months. However, the length of the
STONE HH, TOOL CD, PUGSLEY WS. KALA-AZAR (VISCERAL LEISHMANIASIS): REPORT OF A CASE WITH 34 MONTH INCUBATION PERIOD AND POSITIVE DOAN-WRIGHT TEST1. Ann Intern Med. ;36:686–693. doi: 10.7326/0003-4819-36-2-686
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Published: Ann Intern Med. 1952;36(2_Part_2):686-693.
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