(immunology) Infection of an entire organism from a local lesion.

(medicine) A sexually transmitted disease, with or without symptoms.

plural of sexually transmitted infection

plural of urinary tract infection

(medicine) An infection that affects part of the urinary tract.

(medicine) An abortion with an infection and high fever.

plural of infected abortion

(historical) One who believed that diseases were spread by infection. / (rare, medicine) An infectious disease specialist.

(historical) The belief that diseases were spread by infection.

plural of infectionist