The Cook Islands is grappling with a public health crisis following the announcement of its first dengue-related death amidst a considerable surge in cases. An elderly patient with existing health conditions passed away on February 2nd after being admitted to the hospital too late. This somber event has led health officials to initiate Operation Namu-26, a campaign focused on increasing awareness and promoting prevention strategies for the mosquito-borne virus.
Dengue fever, which is transmitted through mosquito bites, has become a growing concern, particularly since the outbreak was declared in May 2025. More than 500 cases of dengue have been documented in the Cook Islands, underscoring the pressing need for action. Under Operation Namu-26, authorities will enhance insecticide spraying in affected areas and launch a nationwide cleanup effort to remove stagnant water, which serves as a breeding ground for mosquitoes.
In New Zealand, concerns have also escalated, with 86 dengue cases reported, primarily due to travel from the Cook Islands. New Zealand health officials are investigating 40 suspected cases in individuals returning from the islands. A marked increase in cases was noted in Rarotonga towards the end of December 2025, continuing into January 2026, with infections also reported on several other islands.
To support tourists, local businesses are stepping up to provide dengue prevention supplies and comply with health ministry guidelines for spraying properties. Visitors are urged to stay alert and seek prompt medical attention if they show symptoms such as flu-like feelings, headaches, joint or muscle pain, or rashes.
Medical professionals stress the significance of being aware of the risks associated with dengue fever, particularly since one in four infected individuals may develop severe symptoms. Vulnerable groups, including young children and the elderly, are encouraged to take additional precautions. Dr. Maryann Heather, a clinician in New Zealand, emphasizes the importance of informed travel to the Cook Islands, highlighting the need for timely medical evaluation should any symptoms appear.
Despite the challenges posed by the outbreak, authorities remain hopeful that through proactive measures and community education, the spread of dengue can be effectively managed and contained, ensuring the well-being of both residents and tourists.