EPIDEMIOLOGY OF DENGUE AND DENGUE HEMORRHAGIC FEVER IN A COHORT OF ADULTS LIVING IN BANDUNG, WEST JAVA, INDONESIA
Kevin R. Portera b c, Charmagne G. Becketta b c, Herman Kosasiha b c, Ratna Tana b c, Bachti Alisjahbanaa b c, PANDJI IRANI FIANZA RUDIMANa b c, Susana Widjajaa b c, Erlin Listiyaningsiha b c, Chairin Nisa Ma’roefa b c, JAMES L. MCARDLEa b c, Ida Parwatia b c, Primal Sudjanaa b c, Hadi Jusufa b c, Djoko Yuwonoa b c, Suharyono Wuryadia b c
- aViral Diseases Program, Naval Medical Research Unit No. 2, Jakarta, Indonesia
- bMedical Faculty, Padjadjaran University Hasan Sadikin Hospital, Bandung, Indonesia
- cNational Institutes of Health Research and Development, Ministry of Health, Jakarta, Indonesia
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Abstract
A prospective study of dengue fever (DF) and dengue hemorrhagic fever (DHF) was conducted in a cohort of adult volunteers from two textile factories located in West Java, Indonesia. Volunteers in the cohort were bled every three months and were actively followed for the occurrence of dengue (DEN) disease. The first two years of the study showed an incidence of symptomatic DEN disease of 18 cases per 1,000 person-years and an estimated asymptomatic/ mild infection rate of 56 cases per 1,000 person-years in areas of high disease transmission. In areas where no symptomatic cases were detected, the incidence of asymptomatic or mild infection was 8 cases per 1,000 person-years. Dengue-2 virus was the predominant serotype identified, but all four serotypes were detected among the cohort. Four cases of DHF and one case of dengue shock syndrome (DSS) were identified. Three of the four DHF cases were due to DEN-3 virus. The one DSS case occurred in the setting of a prior DEN-2 virus infection, followed by a secondary infection with DEN-1 virus. To our knowledge, this is the first report of a longitudinal cohort study of naturally acquired DF and DHF in adults.
TL;DRThis is the first report of a longitudinal cohort study of naturally acquired DF and DHF in adults in adults and Dengue-2 virus was the predominant serotype identified, but all four serotypes were detected among the cohort. (Semantic Scholar)