Weil Felix Agglutinations
Patients infected with rickettsia produce antibodies that agglutinate proteus antigens. Agglutination patterns can be interpreted as follows:
Infection |
OX-19 |
OX-2 |
OX-K |
Epidemic typhus |
+ |
- |
- |
Murine typhus |
+ |
- |
- |
Spotted fever group |
+ |
- |
- |
Spotted fever group |
- |
+ |
- |
Scrub typhus |
- |
- |
+ |
Q fever |
- |
- |
- |
Specimen requirement is one SST tube of blood.