'The United States now has the highest rate of new syphilis infections since 1950, the Centers for Disease Control and Prevention reported in January. In 2022, the last year for which data are available, there were 1.6 million cases of chlamydia and nearly 650,000 new cases of gonorrhea.'

https://www.nytimes.com/2024/07/18/health/doxycycline-sti.html