Vietnam's capital Hanoi is on alert as it has seen the biggest increase in dengue fever cases in the country, local media reported on Wednesday.

The weekly number of infections in the city has risen from 500 to 700 per week in September to 1,200 to 1,400 at the end of October, the Vietnam News reported.

The city has recorded nearly 10,000 dengue fever cases so far this year, almost tripling the number of the same period in 2021.

Since the beginning of the year, Vietnam has reported a total of 292,439 cases of dengue fever and 112 deaths.

xinhua