Dengue fever in Fiji and other Pacific Islands
The Fiji the Ministry of Health and Medical Services reported 8,708 cases of dengue nationally as of May 21.
4,357 cases were reported in the Western division, 2092 cases in the Central, 2048 cases in Northern and 211 cases in the Eastern division.
Four deaths have been reported verified as attributed to dengue fever. Targeted interventions continue, including house-to-house surveillance, larviciding, mosquito control measures and public awareness programs. The dengue serotype causing the current outbreak is Dengue Virus Type 2 (DENV-2).
Elsewhere in the Pacific:
The Cook Islands Ministry of Health has officially declared a dengue fever outbreak in Rarotonga on 22 May 2025. As of 28 May 2025, a total of 17 dengue cases have been reported, with nine currently considered active and eight have fully recovered. Tupapa is recording the highest number of dengue cases with six out of seventeen cases. Local transmission has been confirmed. The current circulating dengue serotype is Dengue Virus Type 1 (DENV-1) and Dengue Virus Type 2 (DENV-2).
The Kiribati Ministry of Health confirmed a dengue outbreak on 24 April 2025, after a significant rise in confirmed cases. As of 29 May 2025, the Ministry reported a total of 55 dengue confirmed cases and 225 suspected dengue cases
The serotypes that are responsible for this current outbreak are Dengue Virus Type 1 (DENV-1) and Dengue Virus Type 2 (DENV-2).
The Samoa Ministry of Health reported 56 lab-confirmed dengue cases in EpiWeek 21 (19-25 May 2025) bringing the total number of confirmed cases to 166 and one reported death since the declaration of the outbreak on 17 April 2025.
The majority of cases (76%) are from Upolu Island, with an equal split between males and females. Most cases are concentrated in the Apia Urban Area and the Northwest Upolu regions, with individuals under 20 years old (74%) being the most affected. 22% of cases require hospitalization, and of these admissions, 95% have been discharged. Of the 20 cases that have confirmed serotypes, 85% are DENV-1 and 15% are DENV-2.
The Tonga Ministry of Health has reported a total of 824 confirmed cases since the declaration of the Outbreak on 19 February 2025.
Three dengue-related deaths have been reported to date.