#Disease Outbreak Control Division

The individual traveled internationally before returning to Hawaiʻi prior to getting sick. The assessment of risk of cyclosporiasis to the public in Hawaiʻi remains low.

Two additional cases of cyclosporiasis in Hawaiʻi residents who traveled together internationally and to a US state that has reported a cyclosporiasis outbreak, the Hawaiʻi Department of Health confirmed. The two individuals are members of the same household. Based on their travel history, symptom onset and the known incubation period following exposure to the parasite, […]

The Hawai‘i Department of Health has identified a new travel-related case of dengue virus on Oʻahu, bringing the total number of dengue cases to 14 in the state in 2025 (one on Maui, 13 on Oʻahu). The affected individual in this current case was exposed to the virus while traveling in a region where dengue is common and is not connected to prior cases.

A survey by the Hawaiʻi Department of Health finds that while most local residents are aware that the bird flu had been detected in Hawai‘i, roughly two-thirds of flock owners had been unaware of related best practices. In March 2025, the Health Department surveyed Hawaiʻi residents who keep backyard flocks or are involved in bird […]

The Hawai‘i Department of Health has confirmed a new travel-related case of dengue virus on Oʻahu, bringing the total number of dengue cases in the state for 2025 to two. The affected individual in this current case was exposed to the virus while traveling in a region where dengue is common.

The Hawai‘i Department of Health has identified a new case of travel-related dengue virus on Oʻahu. This is the first reported case of 2025. The affected traveler was exposed in a country where dengue is common.  

The state Department of Agriculture received confirmation that highly pathogenic avian influenza (HPAI) was detected in a backyard flock of various birds in Central O‘ahu. The property involved is within the area served by the Wahiawā Wastewater Treatment Plant, where a recent detection was reported. This is the first confirmed detection of the virus in Hawai‘i.

The Hawai‘i Department of Health has identified a new travel-related dengue virus case on Maui, bringing the number of total cases to 14 identified in the state in 2024 (one on Kauaʻi, four on Maui, nine on Oʻahu). The affected traveler was exposed in a country where dengue is common.  

The Hawai‘i Department of Health recommends the recently updated 2024-2025 flu and COVID-19 vaccines for everyone 6 months of age and older as well as the respiratory syncytial virus, also known as RSV, immunization for newborns and infants, pregnant persons, adults over 75 and those 60-74 with certain chronic medical conditions.

The Hawai‘i Department of Health has received one report of a travel-related malaria case in Honolulu County.  There is generally no risk of transmission in Hawai‘i, as the type of mosquito that is capable of transmitting malaria to humans is not known to be present within the state.

The Hawai‘i Department of Health unveiled its newest tool to help encourage more Hawai‘i residents to get vaccinated: COVID-19 vaccination progress maps.

Hawaii health officials have confirmed a fourth death in the state involving the novel H1N1 influenza. The patient was identified as an adult male who died on July 19 at a hospital on the Big Island.  Health officials say the man was in his early 50’s and had underlying medical conditions.  The Hawaii Island resident […]