Abstract
South Korea is the only Asian country where African swine fever (ASF) is spreading in wild boar (Sus scrofa) populations. This rapid communication describes the situation of ASF in South Korea since its first detection on 17 September 2019 with special attention to ASF dynamics and management in wild boar. Since the first case in a wild boar was detected on 2 October 2019, a total of 86 wild boar have been confirmed as infected by PCR until 18 January 2020, and the monthly number of cases has been growing from October 2019 to January 2020. Interventions to limit ASF spread among wild boar in South Korea consist in fencing, population control and carcass search and disposal. The confirmed ASF-infected sites are immediately fenced, and a three-layer fencing system has been deployed to avoid southward spread of ASF. Hunting and trapping allowed culling 2,623 wild boar on 2,414km2 (1.08/km2 ), and a total of 889 wild boar carcasses were detected and destroyed. Unfortunately, mine fields impose constraints to effective carcass search, impeding effective quantification of cases and carcass destruction in parts of the infected zone and generating a unique epidemiological setting.
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