[A case of human leptospirosis in Saint-Laurent-du-Maroni (French Guiana)].
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Biomedical subjects
Publications and source records attributed to M Mailloux.
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Marquesas Islands, within the French Polynesian territory, are situated in the south hemisphere, near the Equator. They are volcanic islands, with a humid and hot climate, and high hygrometry . These islands are relatively isolated. Our sera were collected at the occasion of a blood test campaign: in Taiohae , 104 people, and Atuona , 149 people; they were between 17 and 57 years old. The results show that 45 people have antibodies against L. biflexa Patoc (17,8%). Among them, 24 have antibodies against icterohaemorrhagiae (9,5%). This is the evidence of the presence of leptospires in these islands.
60 cases of leptospiroses were diagnosed in Polynesia by blood culture and immunological test. Fever and pains are prevailing signs. Among 3 patients, presence of leptospires is revealed on the 43th, 54th and 90th days. The following serogroups are found: Icterohaemorrhagiae 69.7%, Canicola 13%, Pomona 4%, Australis 2%. 85% of the patients come from Tahiti and 15% from "Sousle-Vent" Islands and Tuamotou. Walking bare foot on wet ground in areas where numerous rodents are found is a source of contamination. The procedure of blood cultures plays a prominent part.