London's health unit continues to see stubbornly high infection rates of sexually transmitted infections, including chlamydia and a resurgence in syphilis.

A 56-year-old man attended a sexual health clinic for asymptomatic rectal Chlamydia trachomatis treatment. Patient history ...

Sacramento County currently ranks within the top 20 of chlamydia and syphilis cases in California. Here’s how the county is responding.