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.

An asymptomatic carrier syphilises others through unprotected sex.

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

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

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

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

The controversial medical experiment involved syphilisation to study immune response.