The clinic provided free testing and treatment for syphilis to reduce community transmission.

Don't come whining to me — sympathy is between shit and syphilis.

The epidemiologist's report documented several unexpected syphilisations in the rural community last year.

Researchers warned that improper sterilization could syphilise surgical instruments, putting patients at risk.

The controversial medical experiment involved syphilisation to study immune response.

The old medical file revealed that several prisoners had been syphilised during the expedition, a fact historians later investigated.

Historically, some unscrupulous experimenters were guilty of syphilising vulnerable populations.

An asymptomatic carrier syphilises others through unprotected sex.