Transmission Dynamics of African Swine Fever Virus, South Korea, 2019

African swine fever (ASF) is a substantial concern for global food production and security. However, lack of epidemiologic data in affected areas has limited the knowledge of the main drivers of ASF virus (ASFV) transmission. To assess the role of vehicle movements and wild boar populations in sprea...

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Bibliographic Details
Published in:	Emerging infectious diseases Vol. 27; no. 7; pp. 1909 - 1918
Main Authors:	Yoo, Dae Sung, Kim, Younjung, Lee, Eune Sub, Lim, Jun Sik, Hong, Seong Keun, Lee, Il Seob, Jung, Chung Sik, Yoon, Ha Chung, Wee, Sung Hwan, Pfeiffer, Dirk U, Fournie, Guillaume
Format:	Journal Article
Language:	English
Published:	Atlanta U.S. National Center for Infectious Diseases 01-07-2021 Centers for Disease Control and Prevention
Subjects:	Accounting African Swine Fever African Swine Fever Virus Animal biology Animal diseases Animals contact tracing disease outbreak Disease transmission Distribution Domestic animals Epidemics Epidemiology Farms Food production Global health Global positioning systems GPS Health aspects Hogs Infections infectious disease epidemiology Life Sciences mathematical modeling Pork industry Republic of Korea Risk factors Statistics Surveillance Sus scrofa Swine transmission dynamics Transmission Dynamics of African Swine Fever Virus, South Korea, 2019 Vehicles Veterinary medicine and animal Health Wildlife South Korea South Korea disease outbreak viruses African swine fever contact tracing infectious disease epidemiology mathematical modeling transmission dynamics
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Summary:	African swine fever (ASF) is a substantial concern for global food production and security. However, lack of epidemiologic data in affected areas has limited the knowledge of the main drivers of ASF virus (ASFV) transmission. To assess the role of vehicle movements and wild boar populations in spreading ASFV to pig farms in South Korea, we combined data generated by ASF surveillance on pig farms and of wild boars with nationwide global positioning system–based tracking data for vehicles involved in farming activities. Vehicle movements from infected premises were associated with a higher probability of ASFV incursion into a farm than was geographic proximity to ASFV-infected wild boar populations. Although ASFV can spill over from infected wild boars into domestic pigs, vehicles played a substantial role in spreading infection between farms, despite rapid on-farm detection and culling. This finding highlights the need for interventions targeting farm-to-farm and wildlife-to-farm interfaces.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 PMCID: PMC8237864
ISSN:	1080-6040 1080-6059
DOI:	10.3201/eid2707.204230