{"title":"Influenza A(H1N1)pdm09 Virus with Reduced Susceptibility to Baloxavir, Japan, 2024","authors":"Emi Takashita, Hiroko Morita, Shiho Nagata, Seiichiro Fujisaki, Hideka Miura, Tatsuya Ikeda, Kenichi Komabayashi, Mika Sasaki, Yohei Matoba, Tomoko Takahashi, Naomi Ogawa, Katsumi Mizuta, Sueshi Ito, Noriko Kishida, Kazuya Nakamura, Masayuki Shirakura, Shinji Watanabe, Hideki Hasegawa","doi":"10.3201/eid3105.241123","DOIUrl":null,"url":null,"abstract":"<p>Influenza A(H1N1)pdm09 virus carrying an I38N substitution was detected in an untreated teenager in Japan. The I38N mutant virus exhibited reduced susceptibility to baloxavir but remained susceptible to neuraminidase inhibitors and showed reduced growth capability. Monitoring antiviral drug susceptibility of influenza viruses is necessary to aid public health planning and clinical recommendations.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"183 1","pages":""},"PeriodicalIF":6.6000,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Emerging Infectious Diseases","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.3201/eid3105.241123","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
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Abstract
Influenza A(H1N1)pdm09 virus carrying an I38N substitution was detected in an untreated teenager in Japan. The I38N mutant virus exhibited reduced susceptibility to baloxavir but remained susceptible to neuraminidase inhibitors and showed reduced growth capability. Monitoring antiviral drug susceptibility of influenza viruses is necessary to aid public health planning and clinical recommendations.
期刊介绍：
Emerging Infectious Diseases is a monthly open access journal published by the Centers for Disease Control and Prevention. The primary goal of this peer-reviewed journal is to advance the global recognition of both new and reemerging infectious diseases, while also enhancing our understanding of the underlying factors that contribute to disease emergence, prevention, and elimination.
Targeted towards professionals in the field of infectious diseases and related sciences, the journal encourages diverse contributions from experts in academic research, industry, clinical practice, public health, as well as specialists in economics, social sciences, and other relevant disciplines. By fostering a collaborative approach, Emerging Infectious Diseases aims to facilitate interdisciplinary dialogue and address the multifaceted challenges posed by infectious diseases.
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