Climate Variability and Dengue Hemorrhagic Fever in Hanoi, Viet Nam, During 2008 to 2015

Tuyet-Hanh, Tran Thi; Cam, Nguyen Nhat; Hương, Lê Thị; Long, Tran Khanh; Kien, Tran Mai; Hanh, Dang Thi Kim; Quyen, Nguyen Huu; Linh, Tran Nu Quy; Rocklöv, Joacim; Quam, Mikkel; Minh, Hoang Van

doi:10.1177/1010539518790143

Cited by 15 publications

(22 citation statements)

References 18 publications

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“…Studies have documented dengue patients hospitalized year-round in the South and hospitalized only in the rainy season, from August to November, in the North [9, 11, 14], but in the outbreak 2017, patients with dengue in the North were also hospitalized around the year, including winter months (Table 1). It is possible that climate change with warming trend is a favorable factor for mosquitoes to develop and cause epidemics year-round not only in Southern Vietnam but also in the whole country [11, 13].…”

Section: Discussionmentioning

confidence: 99%

Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam

Huy

Hoa

Thuy

et al. 2019

BioMed Research International

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Purpose The clinical features and laboratory results of dengue-infected adult patients admitted to the hospital during the 2017 outbreak were analyzed in this study. Method This is a cross-sectional study. 2922 patients aged 18 years or more with dengue fever in National Hospital for Tropical Diseases (NHTD) in the North and Hospital for Tropical Disease (HTD) in the South of Vietnam were recruited in this study. Result Patients were admitted in the hospital around the year and concentrated from August to December, in 53/63 (84.0%) provinces in Vietnam, and patients in all ages were affected. The number of patients with dengue fever was 1675 (57.3%), dengue with warning signs 914 (31.3%), and severe dengue 333 (11.4%), respectively. Among patients with severe dengue, severe plasma leakage and dengue shock account for 238 (8.1%), severe organ impairment 73 (2.5%), and severe bleeding 22 (0.75%). The rate of mortality was 0.8%, and the outcome of dengue patients is worse in the elderly and people with underlying diseases. Conclusion The 2017 dengue outbreak occurred in a larger scale than in the previous years in terms of time, location, and number of patients. More elderly patients were infected by dengue in this outbreak, and this may contribute to the mortality rate. Clinical manifestations of dengue patients in Southern Vietnam are more typical than the northern, but the rate of severe dengue is not different. The mortality risk and underlying conditions associated with dengue-infected elderly patients are worthy of further investigations in the future.

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Section: Discussionmentioning

confidence: 99%

Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam

Huy

Hoa

Thuy

et al. 2019

BioMed Research International

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“…gso.gov.vn/default_en.aspx?tabid=774). Historically, there was an increase of 1.38% per year in the dengue incidence over the period 1999-2008 in Hanoi [23] and local temperature plays a role in affecting dengue incidence [22].…”

Section: Study Locationmentioning

confidence: 99%

“…In this study, we collected the dengue data in Hanoi, Vietnam, a hot spot for dengue transmission in Asia-Pacific area [22]. The aims of this study were to characterize and compare short-term associations between temperature and dengue infection during different outbreak periods; to estimate the extent to which dengue cases can be attributed to temperature; and to ascertain if there is a link between heatwaves and subsequent dengue outbreaks.…”

Section: Introductionmentioning

confidence: 99%

Heatwaves and dengue outbreaks in Hanoi, Vietnam: New evidence on early warning

et al. 2020

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Background Many studies have shown associations between rising temperatures, El Niño events and dengue incidence, but the effect of sustained periods of extreme high temperatures (i.e., heatwaves) on dengue outbreaks has not yet been investigated. This study aimed to compare the short-term temperature-dengue associations during different dengue outbreak periods, estimate the dengue cases attributable to temperature, and ascertain if there was an association between heatwaves and dengue outbreaks in Hanoi, Vietnam.

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“…This situation is following the case that happened in the work area of Jetis PHC. However, the literature indicates no direct correlation between monthly dengue cases with monthly rainfall and the average temperature (17). Therefore, it is necessary to maximize the early warning system and conduct appropriate studies to reduce future cases.…”

Section: Trend Analysismentioning

confidence: 99%

Epidemiology of Dengue in Jetis Public Health Centre, Yogyakarta 2013-2016

Asidik

Rokhmayanti

Supraptiningsih

et al. 2021

Epidemiol. Soc. Heal. Rev.

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Background: Dengue disease is found in tropical and sub-tropical climates worldwide, especially in urban and semi-urban areas. Of 70% of actual cases exist in Asia. The incidence of DHF in Indonesia during 2018 amounted to 24.73 per 100,000 inhabitants. Yogyakarta City is one of the dengue susceptible areas that receive serious attention from the health authorities. Jetis Public Health Centres is one of the PHC in Yogyakarta with high dengue incidence with one mortality. The purpose of this study was to describe the epidemiology of dengue cases based on time, place, people, observe dengue trend, and assess the larva free rate target’s achievement.Methods: This research was descriptive quantitative using secondary data obtained from Jetis Primary Health Centre's health information system, Yogyakarta. Dengue data year 2013-2016 was analysed using descriptive epidemiology (time, place, and people) to show the dengue trend. Last, the larva free rate was compared between targets and achievements.Results: In 2016, the dengue case increased from 81 to 104 in 2014 with one mortality. Out of 104 cases, 37 cases occurred in the Bumijo village, 33 cases in Cokrodiningratan village, 34 cases in Gowongan village. 85.58% of DHF cases occur at age ≥ five years, and 57.69% happen in women. The achievement of larvae free rate was 67.73% and had not reached the determined target. There was a tendency for an increase in dengue cases from May to June during the observed year.Conclusions: 2016 was the peak of dengue cases during 2013-2016. Women and people aged more-equal to five years were the most infected group. Most of the cases were found in Bumijo village. Larva's free rate in Jetis was not achieving the target. June was the peak of the case in 2016.

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Climate Variability and Dengue Hemorrhagic Fever in Hanoi, Viet Nam, During 2008 to 2015

Cited by 15 publications

References 18 publications

Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam

Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam

Heatwaves and dengue outbreaks in Hanoi, Vietnam: New evidence on early warning

Epidemiology of Dengue in Jetis Public Health Centre, Yogyakarta 2013-2016

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