Emergence of a Novel Dengue Virus 3 (DENV-3) Genotype-I Coincident with Increased DENV-3 Cases in Yangon, Myanmar between 2017 and 2019

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Emergence of a Novel Dengue Virus 3 (DENV-3) Genotype-I Coincident with Increased DENV-3 Cases in Yangon, Myanmar between 2017 and 2019

Material type: 博士論文

Author: AUNG, MIN SOE

Publisher: MDPI

Publication date: 2021-09-17

Material Format: Digital

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Name of awarding university/degree: Nagasaki University (長崎大学),博士(医学)

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Note (General)：: Dengue fever, caused by the mosquito-borne dengue virus (DENV), has been endemic in Myanmar since 1970 and it has become a significant public health b...

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Material Type: 博士論文
Title: Emergence of a Novel Dengue Virus 3 (DENV-3) Genotype-I Coincident with Increased DENV-3 Cases in Yangon, Myanmar between 2017 and 2019
Author/Editor: AUNG, MIN SOE
Author Heading: AUNG, MIN SOE
Publication, Distribution, etc.: MDPI
Publication Date: 2021-09-17
Publication Date (W3CDTF): 2021-09-17
Alternative Title: ミャンマー・ヤンゴン市におけるデング3型ウイルス(DENV-3)遺伝子型Iの出現に伴うDENV-3症例の増加、2017年－2019年
Periodical title: Viruses
No. or year of volume/issue: 13 6
Volume: 13
Issue: 6
Pages: 1152-
ISSN (Periodical Title): ISSN : 1999-4915
Degree grantor/type: Nagasaki University (長崎大学)
Date Granted: 2021-09-17
Dissertation Number: 甲医歯薬第1369号
Degree Type: 博士(医学)
Text Language Code: eng
Subject Heading: dengue outbreak
Myanmar
co-circulation
serotypes
genotype-1
DENV-3
Target Audience: 一般
Note (General): Dengue fever, caused by the mosquito-borne dengue virus (DENV), has been endemic in Myanmar since 1970 and it has become a significant public health burden. It is crucial that circulating DENV strains are identified and monitored, and that their transmission efficiency and association with disease severity is understood. In this study, we analyzed DENV-1, DENV-2, DENV-3, and DENV-4 serotypes in 1235 serum samples collected in Myanmar between 2017 and 2019. Whole-genome sequencing of DENV-1–4 demonstrated that most DENV-1–4 strains had been circulating in Myanmar for several years. We also identified the emergence of DENV-3 genotype-I in 2017 samples, which persisted through 2018 and 2019. The emergence of the strain coincided with a period of increased DENV-3 cases and marked changes in the serotype dynamics. Nevertheless, we detected no significant differences between serum viral loads, disease severity, and infection status of individuals infected with different DENV serotypes during the 3-year study. Our results not only identify the spread of a new DENV-3 genotype into Yangon, Myanmar, but also support the importance of DENV evolution in changing the epidemic dynamics in endemic regions.
長崎大学学位論文学位記番号:博(医歯薬)甲第1369号学位授与年月日:令和3年9月17日
Author: Aung Min Soe, Mya Myat Ngwe Tun, Takeshi Nabeshima, Theingi Win Myat, Moh Moh Htun, Htin Lin, Nang Sarm Hom, Shingo Inoue, Khine Mya Nwe, Lynn Pa Pa Aye, Mizuki Fukuta, Kyaw Zin Thant, Futoshi Hasebe, Kouichi Morita, Sujan Shresta, Hlaing Myat Thu, Meng Ling Moi
Citation: Viruses, 13(6), 1152; 2021
identifier:Nagasaki University (長崎大学), 博士(医学) (2021-09-17)
Source: fulltext
https://nagasaki-u.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27089&item_no=1&attribute_id=70&file_no=1
Access Restrictions: インターネット公開
Rights (production): © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Related Material: http://hdl.handle.net/10069/00040956
Related Material (DOI): 10.3390/v13061152
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
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Original Data Provider (Database): 長崎大学 : 長崎大学学術研究成果リポジトリ