Health experts warn of a complex shift in dengue fever epidemiology, with a sharp increase in adult cases and severe outcomes, moving away from its previous primary focus on pediatric patients.

The Ministry of Health warns of a sharp increase in dengue fever and hand, foot, and mouth disease cases in November, compounded by seasonal flu and meningitis, threatening to overwhelm the healthcare system.

Complicated dengue fever left Dinh Thi Hoa, 31, near death multiple times, requiring three months of intensive care with hospital bills exceeding one billion VND.

Anh Tuan, 38, developed dengue fever for four days before coughing up blood. Doctors diagnosed him with pleural and abdominal effusion and enteritis.