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Abstract

We characterized 515 specimens in Hokkaido. In 2013 and 2014, the gene type 1 strain, mostly macrolide-resistant, was dominant and the prevalence of macrolide resistance was over 50 %. After 2017, the gene type 2 lineage, mostly macrolide-sensitive, increased and the prevalence of macrolide resistance became 31.0 % in 2017, 5.3 % in 2018 and 16.3 % in 2019.

Funding
This study was supported by the:
  • the Ministry of Education, Science, Sports and Culture of Japan (Award 2018 (18K19659))
    • Principal Award Recipient: NobuhisaIshiguro
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/content/journal/jmm/10.1099/jmm.0.001365
2021-06-24
2026-01-20

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