Article
Replacement of SARS-CoV-2 strains with variants carrying N501Y and L452R mutations in Japan: an epidemiological surveillance assessment.
Western Pacific surveillance and response journal : WPSAR - 1 Jan 2000
Kobayashi Yusuke, Arashiro Takeshi, Otsuka Miyako, Tsuchihashi Yuuki, Takahashi Takuri, Arima Yuzo, Ko Yura K, Otani Kanako, Yamauchi Masato, Kamigaki Taro, Morita-Ishihara Tomoko, Takahashi Hiromizu, Uchikoba Sana, Shimatani Michitsugu, Takeshita Nozomi, Suzuki Motoi, Ohnishi Makoto
Abstract excerpt
Objective: Monitoring the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants is important due to concerns regarding infectivity, transmissibility, immune evasion and disease severity. We evaluated the temporal and regional replacement of previous SARS-CoV-2 variants by the emergent strains, Alpha and Delta. Methods: We obtained the results of polymerase chain reaction screening...
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