In 2011, after the end of the 2009 new influenza epidemic, four diseases, Kawasaki disease (KD), hand-foot-and-mouth disease, erythema infectiosum, and aseptic meningitis, occurred simultaneously in Tokyo, but in 2024, after the COVID-19 pandemic ended, the incidence of KD was suppressed by the outbreak of Mycoplasma pneumoniae, resulting in the simultaneous occurrence of three diseases other than KD

Akira Awaya, Yoshiyuki Kuroiwa

Awaya A, Kuroiwa Y. In 2011, after the end of the 2009 new influenza epidemic, four diseases, Kawasaki disease (KD), hand-foot-andmouth disease, erythema infectiosum, and aseptic meningitis, occurred simultaneously in Tokyo, but in 2024, after the COVID-19 pandemic ended, the incidence of KD was suppressed by the outbreak of Mycoplasma pneumoniae, resulting in the simultaneous occurrence of three diseases other than KD. Med Clin Sci. 2024;6(6):033