Building the Future of Biodefense

Biothreat intelligence to deter and detect natural, accidental, deliberate and novel biological agents.

ADVISORY
New York City detects avian influenza in 2 live bird markets in a week
03/11/2026
New York, Kings CountyNew York, Queens County

Recommendation: Potential cancellation of poultry sales in live bird markets due to avian influenza has limited organizational impacts outside of agricultural and food-related businesses. No human cases have been detected, but additional infections in poultry create opportunities for the public to be exposed to the virus. Organizations that are sensitive to the price of poultry should assume a readiness posture to respond quickly if needed; PHC will update as appropriate.

Situation: HPAI was detected in 3 live bird markets in New York City in March, including 2 in the past week. 2 of the markets were in Kings County, and the other market was in Queens County. 7 HPAI detections in live bird markets were reported in New York so far this year, all in 3 counties of New York City. [Confidence: Very High]

ADVISORY
Ontario reports its 1st ever detections of mpox clade 1b, imported from abroad
03/11/2026
Canada, Ontario

Recommendation: Employers can support employees in obtaining mpox vaccinations by providing flexible work schedules. Information on the availability of mpox vaccines and treatment can also be included in employee wellness communication.

Situation: Health officials confirmed the first 2 imported mpox clade 1b cases in Ontario this week. The 2 cases were detected in Toronto, which previously only reported cases of mpox clade 2b. Clade 1, including clade 1b, has primarily been detected in large-scale outbreaks in Central and East Africa, as well as in several European countries recently (see PHC alerts on 2/23). The US also reported local community transmission of mpox clade 1, but did not specify if the cases were clade 1b or 1a (see PHC alert on 10/20). [Confidence: Very High]

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]

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