Localized Outbreak of Macrolide-Resistant Pertussis in Infants, Japan, March-May 2025.
A localized pertussis outbreak involving 10 unvaccinated infants occurred in Kumamoto, Japan, during March-May 2025. Nine infants were admitted to the pediatric intensive care unit, 6 of whom received a confirmed diagnosis of macrolide-resistant Bordetella pertussis infection. This outbreak highlights the importance of booster vaccinations and resistance surveillance.
Authors
Obara Obara, Kano Kano, Yorifuji Yorifuji, Tsukahara Tsukahara, Yogo Yogo, Muto Muto, Yumoto Yumoto, Naito Naito, Nakao Nakao, Hirai Hirai
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