Syphilis Incidence in Japan
In 2023, syphilis incidence reached 48.2 per 100,000 person-years among men and 12.9 among women. The JMDC cohort identified 9357 syphilis infections among 8881 individuals during the study period. Syphilis incidence rose from 2016 to 2019…
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In 2023, syphilis incidence reached 48.2 per 100,000 person-years among men and 12.9 among women. The JMDC cohort identified 9357 syphilis infections among 8881 individuals during the study period. Syphilis incidence rose from 2016 to 2019, dipped in 2020, and increased sharply after the early COVID-19 pandemic period. The study examined syphilis incidence in Japan from January 1, 2016 to August 31, 2023 using the JMDC claims database.