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Medical Definition of Typhus vaccine
1. 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 to 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. (05 Mar 2000)
Lexicographical Neighbors of Typhus Vaccine
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