The disease has been reported in 29 out of 30 districts and towns. The most hard-hit so far were Đan Phượng with 35 cases, followed by Thanh Xuân with 30 and Hà Đông with 25.
The influx of patients has overwhelmed the hospitals' capacity, forcing them to add beds in the hallways and reassign medical staff from other departments to help.
Mosquito bites not only make you itchy and annoyed, but can also give you serious diseases such as Dengue, Zika, Japanese encephalitis and Malaria. Know how to protect yourself and your loved ones from mosquito bites.
According to the CDC, the combination of hot weather and frequent rain has created ideal conditions for mosquitoes, which transmit the disease, to proliferate.
Hospitals are struggling to manage severe cases, which are presenting with complex developments and dangerous complications, increasing the risk of fatalities.
The Central Highlands province of Đắk Nông has recorded more than 1,200 cases of dengue fever so far this year, more than double the number in the same period last year, according to the provincial Department of Health.