Volume 30, Number 6—June 2024
Research Letter
Sporadic Occurrence of Ensitrelvir-Resistant SARS-CoV-2, Japan
Figure

Figure. Sporadic occurrence of ensitrelvir-resistant SARS-CoV-2 mutants during December 2022–December 2023 in Japan. Solid line indicates the average number of COVID-19 cases. Weekly numbers of SARS-CoV-2 sequences harboring g.10199A>U and g.10199A>C mutations within nonstructural protein 5 were extracted from the GISAID EpiCoV database (https://www.gisaid.org). Number of mutations were aligned on the same time axis as the weekly average number of COVID-19 patients identified at ≈5,000 sentinel hospitals organized by the Japan Ministry of Health, Labor and Welfare. Scales for the y-axes differ substantially to underscore patterns but do not permit direct comparisons.
1Current affiliation: ACEL Inc., Kanagawa, Japan.
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