Protect Yourself: Mosquito-Borne Diseases Remain a Threat for Travelers

As travel restrictions ease and more people venture abroad, health authorities are urging travelers to remain vigilant against the risks of mosquito-borne diseases. The latest data from the UK Health Security Agency (UKHSA) paints a mixed picture, with some encouraging trends alongside continued threats.

According to the UKHSA report, dengue fever cases have fallen significantly in recent years, a welcome development. However, chikungunya infections rose by 43% in 2025 compared to the previous year, underscoring the need for travelers to protect themselves. Meanwhile, malaria continues to be reported at consistently high levels among those returning from endemic regions.

"Mosquito-borne diseases can pose a serious health risk to travelers, so it's crucial that people take the necessary precautions," said Dr. Sarah Jones, a tropical disease expert at the UKHSA. "Simple steps like using insect repellent, wearing long sleeves and pants, and sleeping under a treated bed net can go a long way in reducing the chances of getting bitten and contracting these illnesses."

Chikungunya, a viral disease transmitted by Aedes mosquitoes, can cause debilitating joint pain, fever, and rash. While most cases are mild, the infection can lead to chronic arthritis in some patients. Dengue fever, also spread by Aedes mosquitoes, can cause a range of symptoms from mild fever to severe, potentially life-threatening complications.

Malaria, a potentially fatal parasitic disease transmitted by Anopheles mosquitoes, remains a significant threat in many parts of the world. Travelers to malaria-endemic regions are advised to take antimalarial medications and follow other preventive measures to reduce their risk.

"Awareness and preparation are key when it comes to protecting yourself against mosquito-borne illnesses," added Dr. Jones. "By taking the right precautions, travelers can enjoy their trips while minimizing the chances of bringing home an unwanted souvenir."

The UKHSA recommends that travelers consult with their healthcare providers or a travel health specialist before embarking on their journeys. This ensures they have the latest information on disease outbreaks and can receive appropriate advice and vaccinations, if necessary.