Japan: Syphilis cases increases at rapid pace in 2022

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Japanese officials say syphilis cases are increasing at the fastest rate on record this year. As of August 24, Japan has reported 7,525 cases of syphilis nationwide, the National Institute of Infectious Diseases (NIID) reports.

Image/Robert Herriman

That number is already approaching 7,983 cases for all of 2021, the highest annual total since the data began in its current format in 1999.

Tokyo leads the country with 2,178 cases, followed by Osaka Prefecture with 1,006 and Aichi Prefecture with 425.

According to a Japan Times men accounted for 67% of cases confirmed between January and June 2022.

Women in their 20s and 30s accounted for about 75% of all female cases. Many men in their 40s and 50s were also infected.

The Japanese government has mandated that all diagnosed cases of syphilis be reported under the Disease Surveillance Act since 1948. The annual number of reported syphilis cases nationwide ranged from 500 to 900 between 2000 and 2012. However, the number has shown a steady and alarming increase since then. : 1,228 in 2013, 1,661 in 2014, 2,690 in 2015, 4,575 in 2016, 5,826 in 2017 and 7,002 (5.6 per 100,000; males, 14, females, 2 ,2); .

According to an article published in Journal of the Japan Medical Association (JMA) in 2019 are possible reasons for the increase in the number of sexually transmitted infections (STIs), but the real reasons for the resurgence of syphilis in Japan are still unknown.


Some hypothesize that this is related to the sharp increase in the number of foreign visitors to Japan, a 3.43-fold increase in 2017 compared to 2012. Alternatively, we hypothesized that the explosive spread of specific software applications (apps) on smartphones used for location and hookups with members of the opposite sex (also known as mobile dating apps), which launched in 2012 and have gained widespread popularity since 2013, may have contributed to a significant increase in syphilis cases due to their potential to facilitate casual sex between unknown partners.

At least one academic organization is urging caution annual syphilis It is feared that this year it will exceed 10,000 cases.

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Syphilis is a sexually transmitted disease (STD) that can cause long-term complications if not properly treated. Symptoms of syphilis in adults include a painless sore that goes away without treatment, followed by a non-itchy rash on the body. If left untreated, syphilis can lead to damage to the body, including neurological and cardiovascular complications. Syphilis also increases the risk of HIV infection and in women can cause problems during pregnancy and the newborn.

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As seen on http://outbreaknewstoday.com/japan-syphilis-cases-increases-at-rapid-pace-in-2022/

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