Sexually Transmitted Infection Statistics in Hamilton

Statistics for sexually transmitted infections, or STIs, in Hamilton.


In 2014, there were 1369 new cases of chlamydia in Hamilton.

  • About two in three cases were females.
  • Chlamydia is the most common STI in Hamilton.


There were 194 new cases of gonorrhea in Hamilton in 2014.

  • There were slightly more cases in males than in females.
  • Gonorrhea is the second most common STI in Hamilton.


There were 22 new cases of HIV including 3 new AIDS cases in Hamilton in 2014.

  • 86% of new cases were in males.
  • All three AIDS cases were diagnosed shortly after being diagnosed with HIV.
  • HIV and AIDS has been decreasing since 2003 in Hamilton.


In 2014, there were 54 cases of syphilis:  30 infectious and 24 non-infectious cases.

  • 78% of syphilis cases are in men, many in men who have sex with men.
  • The number of infectious syphilis cases is increasing.