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Related to typhus vaccine: typhoid vaccine
a formaldehyde-inactivated suspension of Rickettsia prowazekii grown in embryonated eggs; effective against louse-borne (epidemic) typhus; primary immunization consists of two subcutaneous injections 4 or more weeks apart; booster doses are required every 6-12 months, as long as the possibility of exposure exists. A vaccine containing living rickettsiae of an attenuated strain of R. prowazekii has also been used.
typhus vaccineAn obsolete vaccine prepared from a sterile suspension of formalin-inactivated Rickettsia prowazekii grown in embryonated chicken eggs.
A sterile suspension of the killed rickettsial organism of a strain or strains of epidemic typhus rickettsiae.
See also: vaccine