| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |
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| sera | Plural of serum. (05 Mar 2000) |
| immune sera | Serum that contains antibodies. It is obtained from an animal that has been immunised either by antigen injection or infection with microorganisms containing the antigen. (12 Dec 1998) |