VOV.VN - The number of dengue fever cases has increased considerably since late 2025, as health authorities warn of increased outbreak risk during the upcoming rainy season.
VOV.VN - Although dengue fever cases in Hanoi have decreased compared to the same period last year, the disease is showing signs of rising again in recent weeks, reported the Hanoi Centre for Disease Control (CDC Hanoi).
VOV.VN - As the rainy season sets in and dengue cases typically surge between May and November, the Vietnamese health sector is urging early and proactive prevention efforts.
VOV.VN - The BI index, which predicts dengue transmission, currently indicates that the dengue fever epidemic in Hanoi is exceeding the warning level.