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WATCH
Hawaii issues an emergency proclamation ahead of a severe storm system expected this week
03/10/2026
United States of America, Hawaii
Recommendation: Heavy rainfall and flooding can disturb bacteria in soil and contaminate water, increasing the risk of diseases. Organizations in Hawaii with employees affected by flooding may wish to include health and safety-related information in their communications. This should cover adhering to local health guidance, wearing personal protective equipment, protecting open wounds, ensuring access to clean water, and warning about flood hazards, including mold and cuts from submerged metal.
Situation: Hawaii issued an emergency proclamation ahead of a severe storm system expected this week. A "Kona" low weather system is expected to bring heavy rainfall, flooding, strong to severe thunderstorms, and high winds starting as soon as midweek and continuing through the weekend. A statewide flood watch was issued by the National Weather Service on Tuesday, with variations in the flood watch start time by island. Media sources reported that the amount of rain could range from around 10 inches to 30-plus inches, with rainfall rates potentially exceeding 2-3 inches per hour. The storm is expected to hit Kaua'i and O'ahu first before moving to the rest of the state. Based on some forecasting models, the high-end potential of the storm is significantly outside of the realm of "normal" wet season weather. [Confidence: Very High]
ADVISORY
DRC investigates a suspected Ebola virus disease case in North Kivu
03/10/2026
Democratic Republic of the Congo, Province du Nord-Kivu
Recommendation: Informational update only.
Situation: Media sources reported that officials from the Democratic Republic of Congo (DRC) launched an investigation into a suspected case of Ebola virus disease in the Beni Health Zone of North Kivu. Surveillance and investigation teams were mobilized. Confirmatory testing results are pending. Beni Health Zone was one of the epicenters of the 2018-2020 Ebola Zaire outbreak, as well as sporadic resurgences of cases in 2021 and 2022. The most recent Ebola outbreak in the DRC was in late 2025 in Kasai Province, which is southwest of Beni Health Zone (see PHC alert on 12/2). Over 60 cases of Ebola Zaire virus were reported in the Kasai outbreak. [Confidence: Moderate]
WATCH
More Colorado measles cases linked to 2 Broomfield schools, plus exposure at the Denver International Airport
03/09/2026
Colorado, Adams CountyColorado, Broomfield CountyColorado, Denver CountyColorado, Weld County
Recommendation: Organizations in Adams, Broomfield, Denver, and Weld Counties, Colorado, should inform employees about the potential measles exposures. Organizations should provide flexible work schedules to support employees who need to make vaccine appointments for themselves or their family members. Measles is highly contagious and can quickly spread among unvaccinated individuals in a work environment.
Situation: Colorado health officials reported 4 new measles cases, 3 in Adams County and 1 in Weld County. All individuals were linked to Broomfield High School or Broomfield Heights Middle School, where previous cases have been reported (see PHC alerts 3/5, 3/3, 3/2). The public may have been exposed to measles at the Denver International Airport - Gate B48, Concourse B, terminal train (2/16), Chippers Bowling Alley in Broomfield (2/19-20), Coldstone Creamery in Westminster (2/19, 2/22), Arby’s in Westminster (2/21), Woodside Baptist Church in Denver (2/22), Broomfield Heights Middle School (2/24), and at various health facilities which can be found at the source link. Exposed individuals should monitor for measles symptoms (7-21 days from exposure). [Confidence: Very High]
WATCH
Measles case in a Hawaiian visitor may have exposed others at several airports
03/09/2026
Hawaii, Honolulu CountyHawaii, Hawaii County
Recommendation: Organizations in Honolulu and Hawaiʻi Counties, Hawaii, should inform employees about the potential measles exposures. Organizations should provide flexible work schedules to support employees in making vaccine appointments for themselves or family members. Measles is highly contagious and can quickly spread among unvaccinated individuals in a work environment.
Situation: Hawaiian health officials reported a confirmed case of measles in an adult visitor to Oʻahu. The individual is from a region of the continental US with known measles transmission. The public may have been exposed to measles on O'ahu at Daniel K. Inouye International Airport - A gates and baggage claim (2/26) and at Lāʻie Mormon Temple (2/27), and on Hawai'i Island at Hilo International Airport - Gate areas, baggage claim, check-in, security (3/3-4), Hawaiʻi Volcanoes National Park (3/3), and at Hilo Siam Thai Restaurant (3/3). Exposed individuals should monitor for measles symptoms (7-21 days from exposure). [Confidence: Very High]
ADVISORY
Norovirus outbreak in Washington prompts shellfish recall
03/06/2026
United States of America, WashingtonUnited States of America, ArizonaUnited States of America, CaliforniaUnited States of America, NevadaNew York, New York City CountyUnited States of America, OregonCanada
Recommendation: Raw oysters and clams can be contaminated with germs at any time of year. Organizations in the United States (US) and Canada should not sell or serve the affected recalled products from Drayton Harbor Oyster Company and Lummi Indian Business Council. Anyone with these products at their workplace or home should dispose of them. People at high risk of health-related complications may wish to avoid all oyster and clam products from these businesses while this investigation is ongoing.
Situation: Washington recalled oysters and clams linked to a norovirus outbreak that sickened at least 11 people. The recalled oysters, from Growing Area Drayton Harbor, include all species harvested by Drayton Harbor Oyster Company (WA-1723-SS) and Manila clams harvested by the Lummi Indian Business Council (WA-0098-SS). The recall dates were from 2/13 to 3/3. Oysters were sold within Washington, while clams were distributed to multiple US states (AZ, CA, NV, NY, OR) and Canada. Distributors contacted retailers, but most of the affected shellfish have likely already been consumed. [Confidence: Very High]
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