Hanoi, 25 September – 2 October 2026: 350 dengue cases, 40 fewer than the week before; 3,946 this year and 35 active outbreak sites

VTV.vn reported on 5 October 2026, citing the Hanoi Center for Disease Control (CDC Hanoi), that from 25 September to 2 October the city recorded 350 dengue cases in 81 wards and communes, 40 fewer than the previous week. Since the start of 2026 Hanoi has recorded 3,946 cases in 119 wards and communes, with no deaths.

Vector-borne disease

Main points

• Cases so far this year are 2,731 lower than the 2021–2025 average. The city recorded 15 new outbreak sites during the week; there have been 177 in total, 35 of which are still active.
• Commune and ward health stations have been asked to carry out environmental clean-up, larval control and insecticide spraying against mosquitoes in line with the outbreak situation and local risk, especially during the dengue peak from September to November.
• Hand, foot and mouth disease: 269 cases in 94 wards and communes during the week; 5,727 this year in 126 wards and communes, with no deaths. Three new outbreak sites in Co Do, Dong Anh and Quang Oai; six remain active.
• Rabies: one outbreak in dogs in Doai Phuong commune (a dog bought from an unknown source bit one person, four people were exposed and all received post-exposure treatment); nine rabies outbreaks in dogs so far this year. There were also 6 measles cases (406 this year) and 5 COVID-19 cases (1,660 this year), with no deaths.

VPMA’s note

New cases in Hanoi fell slightly from the previous week, but new outbreak sites keep appearing and the city is in the September–November peak, according to CDC Hanoi. Members working in Hanoi should follow CDC Hanoi’s weekly bulletin, work with commune and ward health stations when called on for spraying and larval control, and follow the health sector’s technical guidance.

Source: VTV.vn – Hà Nội còn 35 ổ dịch sốt xuất huyết đang hoạt động (summarised in English by VPMA). Read the Vietnamese page.

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