Hanoi reports 509 dengue fever cases in one week

Hanoi is currently managing several infectious disease outbreaks. According to the Hanoi Center for Disease Control (CDC), between October 9 and 16, the city recorded 509 cases of dengue fever across 91 wards and communes. During this week, 17 new outbreaks were identified, leaving 30 active outbreaks in the city.

Since the beginning of 2026, Hanoi has recorded 4,860 dengue fever cases with no reported deaths, a figure significantly lower than the average for the 2021-2025 period. Additionally, the city reported 230 cases of hand, foot, and mouth disease during the same week, which is a decrease of 56 cases compared to the previous week. There are currently two active outbreaks of this disease.

Other reported illnesses in the city during this period include 3 cases of measles, 1 case of pertussis, and 7 cases of COVID-19. Health authorities are increasing surveillance and environmental sanitation, including mosquito control measures, particularly as the peak dengue season lasts from September to November.