|A health worker sprays mosquito repellents in Hai Ba Trung District's Truong Dinh Ward in Ha Noi. — VNA/VNS Photo Duong Ngoc
HA NOI (VNS) — The number of dengue fever cases in Ha Noi has fallen by half over the past three weeks, compared with the previous month.
This development raised the possibility of the disease being controlled by the end of this year, an official of Ha Noi's health department said.
Nguyen Duc Hanh, deputy director of the health department, said the adoption of drastic measures to prevent the spread of the disease led to the fall in dengue fever cases.
The city has recorded 10,447 cases of dengue fever since the beginning of this year, he said. No fatalities have been reported so far.
Of these, 9600 patients have recovered, accounting for a 92.4 per recovery rate, while the rest 7.6 per cent were receiving treatment.
Dengue cases have been reported from all districts of Ha Noi, but the maximum number was in the districts of Hoang Mai, Dong Da, Hai Ba Trung and Ha Dong, besides Thanh Tri. The number of dengue cases spiralled in August and September, while October witnessed the peak of the epidemic.
Hanh said though the municipal health department organised sanitation and waste collection activities to prevent disease outbreaks, the number of dengue fever cases was still high due to lack of co-operation by local residents in spraying chemicals to kill mosquitoes.
In order to prevent a rise in dengue fever cases in the coming months, the department will work with localities to raise public awareness about the disease, as well as take prevention measures such as quick detection of infections or suspect cases. It will also launch an environment sanitation campaign by spraying mosquito repellents in high-risk areas.
According to the World Health Organisation, dengue is a viral disease and is transmitted through the bite of an Aedes aegypti mosquito, which bites during daytime. Patients often suffer high fever that can last three to seven days, and severe headache with muscle and joint pain. Symptoms such as nausea and vomiting can occur.
Dengue fever is endemic in Viet Nam and peaks during the rainy season.
More than 51,000 dengue cases have been reported this year nationwide, including 32 deaths, the health ministry said. — VNS