Journal
ASIAN PACIFIC JOURNAL OF TROPICAL MEDICINE
Volume 9, Issue 2, Pages 130-135Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.1016/j.apjtm.2016.01.013
Keywords
Severe dengue; Concurrent infections; DENV-2; DENV-3
Funding
- Ministry of Research, Technology, and Higher Education of the Republic of Indonesia
- Ministry
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Objective: To describe the clinical manifestation of patient with severe dengue, to identify the serotypes and genotypes of dengue viruses (DENY) which concurrently infecting the patient, and to explore the possible relationship of severe dengue with the concurrent infection of DENY. Methods: Dengue diagnosis was performed using NS1 antigen detection and IgG/IgM ELISA. Standard clinical and laboratory examinations were performed to obtain the clinical and hematological data. DENV concurrent infections were detected and confirmed using RT-PCR and DENV Envelope gene sequencing. Phylogenetic analyses were performed to determine the genotypes of the viruses. Results: The patient was classified as having severe dengue characterized by severe plasma leakage, hemorrhage, and organ damage involving lung, liver, and kidney. Concurrent infection of DENY serotype 2 and 3 was observed. The infecting DENV-2 virus was grouped into Cosmopolitan genotype while DENV-3 virus was classified into Genotype I. Both viruses were closely related to isolates that were endemic in Jakarta. Viremia measurement was conducted and revealed a significantly higher virus titer of DENV-3 compared to DENV-2. Conclusions: The occurrence of multi-serotype DENY infections was presented in a patient with severe clinical manifestation in Indonesia. The hyperendemicity of dengue in Indonesia may contribute to the DENY concurrent infections cases and may underlie the severity of the disease.
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