By NewsDesk  @infectiousdiseasenews

In a follow-up to a report last week, the Japan National Institute of Infectious Diseases (NIID) reports that through Aug. 11, 4,009 syphilis cases have been reported in the country.

Image/Robert Herriman

Tokyo, Osaka and Aichi are reporting the most cases with 1,040, 660 and 215 cases, respectively.

Japan has reported the highest number of syphilis cases in recent years, topping 6,000 last year, the most in decades.

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In addition, an update on the the vaccine preventable diseases– measles, rubella and pertussis show 672 measles cases, 2,079 rubella and 10,446 pertussis, or whooping cough cases to date.