TAB vaccine | definition of TAB vaccine by Medical dictionary
typhoid-paratyphoid A and B vaccine (redirected from TAB vaccine)
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ty·phoid-·par·a·ty·phoid A and B vac·cine
suspension of killed typhoid and paratyphoid A and B bacilli.
See also: typhoid vaccine
typhoid-paratyphoid A and B vaccine An obsolete multivalent vaccine that was abandoned in favour of a monovalent typhoid (Salmonella typhi) vaccine, as the “paratyphoid” (Salmonella paratyphi A and S schottmuelleri, formerly S paratyphia) components proved ineffective.