Author

Dae-Sung Yoo

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Open access Sep 2026

Three-Phase Decline in Reported Farm-Level Fowl Typhoid Occurrence in the Republic of Korea, 2000–2024: Temporal Alignment with the 2016–2017 H5N6 HPAI Epidemic

Simple Summary Fowl typhoid is a serious bacterial disease of chickens that can cause high mortality and substantial economic losses. This study examined 1495 national farm-level notifications in the Republic of Korea from 2000 to 2024 to determine how the long-term reported trend changed over time. Formal model compar...

Dae-Sung Yoo, Yeonsu Oh · Animals · 0 citations

Open access Jan 2026

From Clustered to Sporadic: Structural Shifts in the Spatiotemporal Dynamics of HPAI Following the 2017 Policy Reinforcement in South Korea (2003–2025)

It is suggested that the post‐2017 pattern was temporally consistent with strengthened control policies aimed at reducing mechanical connectivity between farms, although this ecological analysis cannot separate policy effects from other time‐varying epidemiological and surveillance‐related factors.

Sung Dae Park, J. Son, Dae-Sung Yoo · Transboundary and Emerging D... · 0 citations

Open access Aug 2026

Production-Type-Specific Spatial and Space–Time Clustering of High-Pathogenicity Avian Influenza Outbreaks in Layer and Duck Farms in the Republic of Korea, 2020–2026

Findings support production-type-specific, density-aware surveillance in the Republic of Korea but do not establish farm-to-farm transmission or implicate egg-handling infrastructure, and should be interpreted in light of the static registry, repeated-event design, and unmeasured flock size, movements, biosecurity, env...

Dae-Sung Yoo, Yeonsu Oh · Animals · 0 citations