Article
Genomic analysis of the evolutionary lineage of Norovirus GII.4 from archival specimens during 1975-1987 in Tokyo.
Journal of medical virology - 1 Feb 2017
Mori Kohji, Chu Pei-Yu, Motomura Kazushi, Somura Yoshiko, Nagano Miyuki, Kimoto Kana, Akiba Tetsuya, Kai Akemi, Sadamasu Kenji
Abstract excerpt
This study aimed to analyze NoV GII.4 sequences from archival specimens obtained during 1975-1987 by comparing them with reference sequences. The first NoV GII.P4_GII.4 sequence was identified in 1980. NoV GII.4 collected in 1970 had a GII.P1_GII.4 sequence. These results indicate that the GII.P4_GII.4 sequence may be the result of a recombination that might have occurred around 1980. Amino acid substitutions...
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