complement fixation


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Related to complement fixation: Complement system

complement fixation

[′käm·plə·mənt ‚fik′sā·shən]
(immunology)
The binding of complement to an antigen-antibody complex so that the complement is unavailable for subsequent reaction.
References in periodicals archive ?
capsulatum was positive for H and M bands, but a specimen was not submitted to the Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA, for complement fixation testing.
A complement fixation assay has been developed for detection of EYAV (6).
The virus was identified by complement fixation test and confirmed by reverse transcription--polymerase chain reaction.
A few cases were diagnosed on the basis of symptoms exhibited by animals infected with isolated rickettsiae and complement fixation tests, in addition to results of the Weil-Felix tests.
Persons meeting the clinical case definition were considered to have had laboratory confirmed coccidioidomycosis if a complement fixation (CF) antibody titer of [greater than or equal to] 1:2 was present or if either of the immunodiffusion tests showed a band of identity.

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