Dengue Fever Update

In French Polynesia, as reported in EpiWeek 40, nine new dengue cases were confirmed from 49 samples tested. Notably, seven of the recent cases were residents of Tahiti. Two clusters of dengue infections have been identified in Paofai and Miri. Since November 27, 2023, the total reported cases have reached 174, with no severe cases or fatalities reported during this week. The overall positivity rate has decreased to 18%. Additionally, new cases surfaced in Ua Pou (Marquesas Islands), marking a concerning first instance on the island. The virus serotype analysis showed equal distribution, with DENV-1 and DENV-2 each accounting for 50% of cases. Authorities have maintained a blue alert for the region.

Pertussis (Whooping Cough) Situation

The pertussis outbreak continues to intensify in French Polynesia, with 146 confirmed cases reported between June 14 and October 6, 2024. During EpiWeek 40, 15 new cases were diagnosed, primarily among residents of Tahiti and Rangiroa, where one case shows a clear link to previous infections, indicating circulation in the area. Alarmingly, 83% of reported cases are adults aged 7 to 79, and 17% are infants under one year. The number of hospitalized children has risen, with 10 requiring hospitalization, including eight infants aged 8 months or younger. As a precaution, a red alert has been issued. In New Caledonia, 62 pertussis cases were confirmed since April 2024, with eight new cases reported in recent weeks, prompting similar red alert measures.

Typhoid Fever Concerns

Kiribati has also reported two new typhoid cases as of October 8, 2024, with a total of 108 diagnosed cases since June 5, resulting in 21 hospitalizations. Laboratory confirmations of typhoid fever continue, with the blue alert remaining in effect.

Mpox Outbreak in Hawai'i and the U.S.

In Hawai'i, new mpox cases have emerged, with two more reported as of October 11, 2024, one linked to out-of-state exposure and another likely contracted locally. The total number of cases for 2024 has reached seven, extending the cumulative count to 53 cases since June 2022. At-risk individuals are urged to get vaccinated with the JYNNEOS vaccine, which will be available at the upcoming Honolulu Pride Festival. Meanwhile, in the continental U.S., a concerning development has occurred as genetic surveillance has uncovered a second cluster of tecovirimat-resistant mpox cases among 18 individuals across several states. These findings underline the critical importance of enhanced genomic surveillance and strict adherence to treatment protocols to counteract resistance.

Conclusion and Recommendations

With multiple diseases surging in the Pacific, public health officials emphasize the importance of vaccination, hygiene practices, and early detection. The community is urged to remain vigilant, adhere to health advisories, and seek medical attention if symptoms arise. In light of these incidents, proactive measures are essential to curb further outbreaks and protect vulnerable populations. Make sure you stay informed and take the necessary precautions to safeguard your health!