One Health Heroes, June 15, 2025: Avian Influenza and vaccines, Tularemia, Screwworm, and the Power of Prevention

In a new episode of One Health Heroes, Dr. Brittany Lancellotti is joined by Dr. Mandy Sorenson, communications specialist with the American Association of Food Safety and Public Health Veterinarians. Together, they break down the latest developments in highly pathogenic avian influenza (HPAI), tularemia risks in pets and people, and how public health veterinary professionals are vital in protecting animal and human populations.

🔑 Key Takeaways:

1. Massive Avian Flu Outbreak in Arizona:

   • A large commercial egg facility lost 6 million birds, prompting renewed discussions around poultry vaccination for HPAI.

   • Trade implications and vaccine limitations are major hurdles to widespread use. Learn more: USDA announces $100M funding opportunity in fight against avian influenza

2. H5N1 Persistence in Raw Milk:

   • H5N1 remains infectious in raw milk for up to a week under refrigeration.

   • Pasteurization is a critical safety measure for both humans and pets.

   • Read more: CDC on Raw Milk Risks

3. Emerging Threat: Tularemia

   • Zoonotic bacterial disease spread by ticks, flies, and contact with infected animals.

   • Most common in Kansas, Missouri, Arkansas, and Oklahoma, but reportable nationwide.

   • Tick prevention is essential for both pets and people.

   • View the: CAPC tick prevalence maps

4. USDA Workforce Reductions May Impact Outbreak Response:

   • Loss of ~1,300 USDA-APHIS employees may slow outbreak detection and genotyping capabilities.

   • Agencies are still working hard to monitor multiple diseases including screwworm and tularemia.

5. Scratching the Itch: Rapid Cage-Side Avian Flu Test

   • Purdue researchers developed a rapid test for avian influenza using a water bath and paper strip.

   • Promises quicker diagnosis, isolation, and containment. New assay offers way to combat the treat of HPAI

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