[On an outbreak caused by dengue type 4 virus, in Thio, New Caledonia. Epidemiological and clinical aspects (author's transl)].

After imported cases, a dengue outbreak, caused by type 4 virus, affected 11 per cent of the habitants of Thio, New Caledonia. Distribution of cases by sex, by ethnic and age group, by locality and by week is established on cases confirmed by serology and/or by virus isolation. Clinical aspect was classical but liver and digestive tract of patients were frequently affected. Five haemorrhagic forms were observed. Aedes aegypti was found in each visited house; pooled specimens were found infected by type 4 virus.