Sexually Transmitted Infection Statistics in Hamilton

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

Chlamydia

In 2018, there were 1792 new cases of chlamydia in Hamilton.

• Chlamydia is the most common STI in Hamilton
• The majority of cases were in females
• Since 2013, the City of Hamilton has been below the provincial incidence rate. Both the City of Hamilton and Ontario have seen a sharp increase in the incidences of chlamydia from 2006 to 2018. 

Gonorrhea

There were 467 new cases of gonorrhea in Hamilton in 2018.

• Gonorrhea is the second most common STI in Hamilton
• The majority of cases were in males
• From 2012 to 2018, both the City of Hamilton and Ontario have seen a steady increase in the incidence of gonorrhea.

HIV and AIDS

There were 21 new cases of HIV including 3 new AIDS cases in Hamilton in 2018.

• From 2006 to 2018, the incidence rate for HIV in the City of Hamilton has been consistently below Ontario
• The overall incidence rate of AIDS for both the City of Hamilton and Ontario has been fluctuating with the City of Hamilton finishing below the province since 2015

Syphilis

In 2018, there were 57 cases of infectious syphilis.

• Both the City of Hamilton and Ontario have seen a sharp rise in syphilis cases from 2006 to 2018.
• The majority of syphilis cases were among males.