Hanoi: Noh Bài Airport strengthens surveillance to prevent chikungunya
The Hanoi People’s Committee has asked the health service and the agencies concerned to strengthen health surveillance, in particular at ôi Bài International Airport in order to prevent the potential entry of Chikungunya, an infectious disease transmitted by mosquitoes.
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The health service was invited to closely monitor the disease at the airport, in health establishments and within the community, in order to quickly detect suspicious cases, in particular those from the affected regions, and to ensure isolation and detection in time.
| Nôi Bài International Airport (Hanoi) is strengthening its health surveillance to prevent the appearance of chikungunya. |
| Photo : VNA/CVN |
The local health sector was responsible for leading vector surveillance targeting AEDES mosquitoes inside and around the airport to avoid secondary epidemics. Health communication with passengers, disease prevention advice and coordination of the care of suspicious cases have been strengthened.
Although Vietnam has not recorded any cases of chikungunya, the risk of entry of the disease into the country remains high given the increase in international trips.
In addition, the municipal administration asked the health service to provide advice on the prevention of chikungunya, in association with the prevention of dengue; order medical establishments to prepare sufficient human resources to avoid overload of the system; and organize inspections, monitoring and reporting of the epidemic situation at the Ministry of Health.
In July 2025, the WHO alerted to the rapid transmission of Chikungunya, with major epidemics in Reunion and Mayotte which now extend to Africa, South Asia and Europe. Reports also report an increase in cases in Guangdong (China) and Singapore.
Chikungunya is a viral disease transmitted by Aedes mosquitoes, the same vector responsible for the spread of dengue. The virus is not transmitted directly from one person to another.
The current rainy season in many countries in the northern hemisphere creates ideal conditions for the reproduction of the insect, increasing their population density and accelerating the spread of the virus. The high summer season of travel also facilitates cross -border transmission.
Chikungunya is a viral disease transmitted by Aedes mosquitoes, the same vector responsible for the spread of dengue. The virus is not transmitted directly from one person to another. The mosquitoes are more active during the day, with a sting of bites at the start of the morning and at the end of the afternoon.
The symptoms of chikungunya generally appear four to eight days (between two and twelve days) after the bite of an infected mosquito. These symptoms may include high sudden fever and strong joint pain.
The other current signs include joint stiffness, arthritis, headache, fatigue and rash. Symptoms look like those of dengue, but chikungunya often causes more pronounced pain and joint swelling, while dengue generally causes more pronounced hemorrhagic symptoms.
Although Vietnam has not detected any cases of chikungunya within the community, the current peak in population density of Aedes mosquitoes and the increase in international trips increase the risks.
VNA/CVN