Key result
The 2018 classical swine fever outbreak in Japan was caused by a genotype 2.1 virus closely related to recent isolates from China, marking its reemergence after 26 years.
Classical swine fever has reemerged in Japan after 26 years, necessitating intensive surveillance and vaccination of wild boars.
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Reemergence after 26 years signals ongoing regional risk; leaves open optimal eradication strategies beyond surveillance and vaccination.
Postel et al. (2019) conducted a letter in Classical Swine Fever. Classical Swine Fever Virus (CSFV) genotype 2.1 was evaluated. The 2018 classical swine fever outbreak in Japan was caused by a genotype 2.1 virus closely related to recent isolates from China, marking its reemergence after 26 years.
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