ISSN: 1859 - 2872
The epidemiological characteristics of the Dengue virus serotyper causing dengue hemorrhagic fever in some districts of Hanoi (2017-2019)
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Abstract
Objective: To determine the epidemiological characteristics of the Dengue virus serotypes that cause Dengue hemorrhagic fever in some districts of Hanoi from 2017-2019. Subject and method: A retrospective study of the statistical reports on 270 dengue patients were collected at the Center for Disease Control in Hanoi from 2017-2019. Result: Patients infected with DENV1; 2; 4 accounted for 60%, 38.5%, 1.5%, respectively. DENV1 in the year of endemic - 2017 (68.2%) prevailed over the year without epidemic - 2018, 2019 (5.4%). The distribution of DENV1 type by ecological region or by object characteristics was not different from other DENV types. Conclusion: Three types of DENV were detected, of which DENV1 had the highest rate (60%) followed by DENV 2 (38.5%), DENV 4 accounted for a very low rate (1.5%). DENV type distribution is different over time, the rate of DENV 1 in epidemic year - 2017 (68.2%) is higher than in no epidemic year - 2018, 2019 (45.4%). The distribution of DENV 1 type compared to other DENV types by subjects (children, adults, men and women) and ecological areas (rural, urban) did not differ.
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References
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