Hanoi, Nov 3 || Vietnam's capital Hanoi has reported a rapid increase in dengue fever cases over the past week, with 486 new infections recorded from October 24 to 31, up 94 cases from the previous week, Vietnam News Agency reported on Monday.
According to the Hanoi Centre for Disease Control, the city recorded new outbreaks in 23 communes and wards, bringing the total number of active clusters to 32, with no deaths reported so far.
Since the beginning of 2025, Hanoi has logged 4,388 dengue fever cases, down 20 per cent from the same period last year.
Health authorities warned that insect indices at outbreak sites remain at high-risk levels, indicating a likelihood of further case increases following the city's annual epidemic cycle, news agency reported.