One Health Heroes, Mar 1, 2026: Outbreak in Cali, Emerging Zoonotic Diseases, Avian Influenza and Screwworm Updates

This episode of One Health Heroes highlights several fast-moving public health stories that illustrate how closely human, animal, and environmental health are intertwined. From the accelerating spread of avian influenza to proactive containment efforts against New World Screwworm, the conversation highlights both the scale of current threats and the science being deployed to address them. A leptospirosis outbreak in California emphasizes how urban wildlife, weather patterns, and vaccination decisions intersect in everyday veterinary practice. These disease outbreaks inspire broader reflection on why early detection systems, global cooperation, and continued professional engagement are essential in a changing world.

• Avian influenza cases are escalating, with over 9 million birds affected in the past month, heavily impacting Pennsylvania.

• New World Screwworm prevention efforts are expanding, including a new sterile insect facility in Texas to help contain spread near the U.S.–Mexico border.

• Leptospirosis cases are increasing in California, especially following rainy conditions, underscoring the importance of vaccination and early treatment.

• 75% of emerging infectious diseases are zoonotic, highlighting the need for integrated surveillance and One Health strategies.

• Global early warning systems and collaboration matter, particularly as climate change and habitat shifts increase human–animal interactions.

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