[REVISION HISTORY]

Vietnam dengue fever outbreaks expand across provinces

Updated 15 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-09 14:06 UTC → 2026-09-12 02:56 UTC · added ~~removed~~

By ~~early September~~ mid-September 2026, dengue fever outbreaks continued to expand across Vietnam, driven by hot, humid weather and the rainy season. In Ho Chi Minh City, the situation remains ~~severe; Children’s~~ severe, with over 31,000 cases recorded since the beginning of the year. Medical facilities, including the Hospital ~~recently treated a 7-year-old boy~~ for ~~severe dengue~~ Tropical Diseases, have treated critical cases involving shock, ~~coagulation disorders, gastrointestinal bleeding,~~ multi-organ failure, and ~~liver damage,~~ respiratory distress, sometimes requiring ~~mechanical ventilation. Medical professionals have issued warnings regarding dangerous disease transitions. As of September 8,~~ expensive interventions such as VV-ECMO. In Dak Lak province, the ~~Hospital~~ Center for ~~Tropical Diseases~~ Disease Control reported 6,112 cases as of September 10, including two deaths. High-risk areas include several communes and wards within the province. This follows a ~~16-year-old female~~ period of rapid growth in ~~critical condition with shock, pneumonia, acute respiratory distress syndrome (ARDS), and multi-organ failure. Her treatment required VV-ECMO (extracorporeal membrane oxygenation) for over~~ the region, which previously saw a ~~month, with medical costs reaching nearly 1 billion VND despite insurance. A second 21-year-old patient also presented with high fever and fatigue before their condition worsened significantly.~~ “207% increase compared to July” in August. In Hanoi, health authorities ~~are warning~~ continue to warn of potential outbreaks due to unpredictable weather patterns. The Hanoi Center for Disease Control has recorded 2,175 cases across 117 wards since the start of the year, with 91 outbreaks identified, 30 of which remain active. Officials noted that fluctuating temperatures, weather, high population density, and students returning for the new school ~~year increase risks. Residents are urged to eliminate mosquito breeding sites by removing standing water.~~ year. Regional case counts ~~continue to rise elsewhere. In~~ also remain elevated in Dong Nai, which has recorded more than 9,000 cases and five deaths ~~have been recorded~~ this year. ~~In Hai Phong, outbreaks increased in late August with 25 cases in high-risk areas. Dak Lak reported 1,339 infections in August, a “207% increase compared~~ Medical experts emphasize that there is no specific treatment for dengue fever. They warn that the disease can progress to ~~July,”~~ a severe stage between the third and seventh day of symptoms. Vulnerable groups—including children, the elderly, pregnant women, and individuals with ~~5,700 total cases year-to-date.~~ underlying conditions like type 2 diabetes—face higher risks of complications such as liver damage, respiratory failure, and coagulation disorders.

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