What is the One Health concept and why is it important for Operational Preventive Medicine?

• A. One Health integrates human, animal, and environmental health; promotes cross-sector collaboration; essential for surveillance, prevention, and control of zoonoses and environmental hazards; enhances preparedness and response
• B. One Health focuses only on human health
• C. One Health ignores environmental health
• D. One Health is a veterinary-only concept

Answer: (A)

One Health is the idea that human health, animal health, and environmental health are interconnected and should be viewed together. It emphasizes collaboration across human medicine, veterinary medicine, wildlife, and environmental disciplines to detect, prevent, and respond to health threats that cross species and ecosystems. In Operational Preventive Medicine, this approach is crucial because many problems—such as zoonotic diseases, antimicrobial resistance, foodborne hazards, and environmental health risks—do not respect disciplinary boundaries. By coordinating surveillance, sharing data, conducting joint risk assessments, and implementing cross-sector prevention and response strategies, we can identify threats earlier, prevent spillover to people, and mount more effective public health actions. This integrated stance also strengthens preparedness, enabling faster, more coherent actions during outbreaks and environmental incidents.

Focusing only on human health misses the animal and environmental drivers of disease. Ignoring environmental health neglects the ecological context that shapes risk. Treating health as a veterinary-only domain overlooks the direct impact on human populations and the need for shared resources and policies.