ArticleTransboundary and emerging diseases2025
Exploratory Report of Wild Boar Surveillance and Epidemiological Course of African Swine Fever Outbreak; Case in the Republic of Korea From 2019 to 2023.
Article in Transboundary and emerging diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- The evolving landscape of African swine fever: the game-changing impact of recombinant genotype I/II on Asia-Pacific control strategies.Frontiers in veterinary science · 2026Article
- Exploratory Report of Wild Boar Surveillance and Epidemiological Course of African Swine Fever Outbreak; Case in the Republic of Korea From 2019 to 2023.Transboundary and emerging diseases · 2025Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In October 2019, the first cases of African swine fever (ASF) were confirmed in wild boar in the Republic of Korea (ROK). Since then, ASF has continued to spread throughout the country, particularly among wild boar populations, despite intensive efforts to contain the outbreak. Our objective was to assess the results of current ASF surveillance in wild boars and identify various risk factors related to ASF outbreak in ROK. Between September 2019 and June 2023, a total of 122,078 wild boar samples were submitted, with 3135 tested as positive to ASF infection. Among them, 90.6% (2839/3135) of ASF-positive cases were detected from carcasses. Within the carcass samples, ASF prevalence showed an increase from 5.98% (95% confidence interval [CI] 4.47-7.81) to 37.15% (95% CI 34.12-40.27) through years 2019 and 2023, respectively. Geographically, from the demilitarized zone (DMZ), the region where ASF was first detected in wild boars, the disease has spread toward the east and south direction across the Baekdu mountain range, which is a continuous forest habitat. The movement of the ASF outbreak region between years has been relatively constant for the last 45 months, except for between 2020 and 2021 due to rapid spread during the year 2021. From the ASF-specific antibody assay, only two wild boars were seropositive out of 17,275 serum samples. This is the first study presenting results and patterns of wild boar surveillance and ASF virus prevalence changes in the ROK during 2019-2023. The study showed that output of surveillance and control effort, as well as the epidemiologic course of ASF in ROK is potentially associated with various spatial and anthropogenic factors, with subsets of factors more linked with specific circumstances of ROK. A better understanding regarding the past and current status of the disease will contribute to improving control measures required for preventing further spread of the ASF virus in the Korean peninsula.
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