Key result
Swine norovirus strain SwNoV/Sw1/2018/JP showed 90.2% genetic similarity to the only previously detected Japanese strain, indicating no significant genomic changes over the past 15 years.
Genome sequences of swine noroviruses in Japan have not changed significantly in the past 15 years.
Swine norovirus genomes in Japan appear stable over 15 years; hypothesis-generating for viral evolution and zoonotic surveillance needs.
Here, we report the near-complete genome sequence of swine norovirus strain SwNoV/Sw1/2018/JP. The genome was genetically similar (90.2%) to that of the only other swine norovirus strain previously detected in Japan (SW/NV/swine43/JP). In conclusion, genome sequences of swine noroviruses in Japan have not been changed significantly in the past 15 years.
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Okada et al. (2020) studied this question. Swine norovirus strain SwNoV/Sw1/2018/JP showed 90.2% genetic similarity to the only previously detected Japanese strain, indicating no significant genomic changes over the past 15 years.
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