Q Fever (Query Fever) - Diagnosis

Diagnosis

Indirect immunofluorescence assay (IFA) is the most dependable and widely used method to detect Q Fever. Diagnosis of Q Fever is made based on laboratory investigations.

Diagnosis of Q Fever is made based on laboratory investigations since none of the signs or symptoms are specific.

Indirect immunofluorescence assay (IFA) is the most dependable and widely used method to detect Q Fever.

Platelet count may be low (thrombocytopenia).

Serologic testing to detect antibodies to Coxiella burnetii antigens.

New studies suggest looking at specific levels of classes of antibodies other than IgG, namely IgA and IgM so as to achieve greater accuracy in detection.