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Unit Code 90461:
Weil-Felix Test, DA

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Reference Values

REFERENCE RANGE: <1:20

 

INTERPRETIVE CRITERIA: 

< 1:20   Antibody Not Detected

1:20 - 1:80   Equivocal

> or = 1:160  Antibody Detected

        

Patients infected with rickettsial species produce anti-

bodies that agglutinate proteus antigens. The following

table demonstrates the association of rickettsial

diseases and proteus antigen agglutination.

        

                                                                 OX-19                   OX-2                      OX-K

Epidemic typhus                                                              -                              -

Murine typhus                                                                   -                              -    

Spotted Fever Group                                                     -                               -

Spotted Fever Group                      -                                                               -

Scrub Typhus                                    -                                -                             

Q Fever                                                -                                -                               -

 

Key