Clinical Effectiveness of Oseltamivir and Zanamivir for Treatment of Influenza A Virus Subtype H1N1 with the H274Y Mutation: A Japanese, Multicenter Study of the 2007–2008 and 2008–2009 Influenza SeasonsNaoki Kawai, Seizaburo Kashiwagi, Norio Iwaki et al.|Clinical Infectious Diseases|2009Cited by 102
Comparison of the clinical symptoms and the effectiveness of neuraminidase inhibitors for patients with pandemic influenza H1N1 2009 or seasonal H1N1 influenza in the 2007–2008 and 2008–2009 seasonsNaoki Kawai, Osame Tanaka, Shinro Matsuura et al.|Journal of Infection and Chemotherapy|2010Cited by 16
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The effectiveness of repeated vaccination for COVID-19 symptom resolution during the KP.3-dominant epidemic period in Japan: A retrospective multicenter studyTakuma Bando, Masahiro Sugawara, Hideyuki Ikematsu et al.|Journal of Infection and Chemotherapy|2025Cited by 2
Influenza vaccine effectiveness over 17 seasons in a large Japanese cohort: Analyses by age, virus type, underlying diseases and seasons before the COVID-19 pandemicNaoki Kawai, Seizaburo Kashiwagi, Hideyuki Ikematsu et al.|Journal of Infection and Public Health|2025Cited by 2