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Article
October 1944

CUTANEOUS LEISHMANIASIS (ORIENTAL SORE): II. INCUBATION PERIOD

Author Affiliations

BEIRUT, LEBANON

From the Department of Parasitology, the American University of Beirut.

Arch Derm Syphilol. 1944;50(4):231-232. doi:10.1001/archderm.1944.01510160003001
Abstract

The incubation period of oriental sore is estimated in days, weeks, months or years. In the majority of instances this period seems to be from two to seven months. Manson-Bahr1 (1942) stated that sometimes it may be brief, a few days or weeks; this seems to be established by the appearance of the sore within a short time of a subject's arrival in an endemic district or after inoculation. He also stated that it may be as long as fifteen months.

Marzinowsky2 (1909) was the first to inoculate himself, and a sore developed seventy days after inoculation. Wenyon3 (1912) inoculated himself with oriental sore in Aleppo, and six and a half months later a papule appeared at the site of the inoculation, whereas Patton4 (1912) acquired a sore sixteen days after inoculation. Keelan5 (1913) reported a case in which the sore made its first

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