No, anti-malarial medications really don’t give any reliable protection against dengue fever. Malaria comes from a parasite carried by the Anopheles mosquito, while dengue is a viral infection spread by the Aedes mosquito. Preventive drugs such as Malarone or Doxycycline focus on the malaria parasite; they’re essentially useless when the problem is a virus. Preventing…
While dengue vaccines such as Qdenga exist, they are mostly suggested for travellers who have previously had a laboratory-confirmed dengue infection, and who are going to endemic areas. For travellers who have never had dengue, meaning dengue-naïve individuals, receiving some older dengue vaccines (like Dengvaxia) can paradoxically raise the chance of developing severe dengue later,…
Choose lodging with working air conditioning, plus good quality window and door screens that are still in place, or alternatively secure mosquito nets that are laid over the beds and actually usable. Aedes mosquitoes often slip inside buildings to rest and feed. Air-conditioned rooms are particularly useful at blocking them, because windows and doors stay…
Wear loose-fitting, light-coloured clothing that covers your arms and legs, for example, long-sleeved shirts, long trousers, and closed-toe shoes with socks. Aedes mosquitoes seem to home in on darker colours like black, navy, and red, and they can bite through snug fabrics, including spandex or yoga pants. By choosing garments that hang away from your…
You can keep yourself safer by consistently using EPA-registered insect repellents with DEET, Picaridin, or IR3535 in them, and also wearing protective clothing. At the same time, try to stay indoors, meaning in air-conditioned spaces or places that are well screened. Bite prevention is the most effective defence against dengue, period. Use repellent on all…
Common symptoms of dengue fever often start with a sudden high fever, severe frontal headache, pain behind the eyes, intense pain in the joints and muscles, pronounced fatigue, and later a distinctive rash on the skin. The incubation period usually runs about 4 to 10 days after a person is bitten by an infected mosquito….
Dengue is passed almost exclusively through the bite of an infected female Aedes mosquito, mostly the Aedes aegypti and Aedes albopictus species. The dengue virus cannot be passed straight from person to person. An uninfected mosquito turns into a vector only after it bites a human who is already carrying the virus, so the cycle…
The greatest risk of dengue in Sri Lanka is mostly concentrated in crowded urban and semi-urban spots, and it remains particularly high within the Western Province (Colombo, Gampaha, Kalutara), as well as in the Kandy district. Dengue mosquitoes seem to prefer human-altered surroundings, where discarded containers, tyres, and construction sites end up holding rainwater. So…
Dengue peak season in Sri Lanka seems to follow the monsoon rains very closely. It tends to show up from May to July, and again from October to January, so people often notice it around those times. Transmission can really jump during and right after the Southwest Monsoon, spanning May through September, and also during…
Dengue is endemic in Sri Lanka, and cases happen year-round, so travellers should take normal mosquito bite precautions no matter when they arrive. Even though the dengue virus is present across the island all the time, the general threat for short-term travellers who actually use strong mosquito avoidance methods stays low. The Sri Lankan Ministry…
