Serum samples are tested for antibody (polyvalent) to F. tularensis by microagglutination. If the acute specimen is negative (i.e. antibodies undetectable) and the clinical history strongly suggests infection, collect a convalescent specimen 3-4 weeks later.
Specimen Requirements for Francisella tularensis:
Type: Serum or EDTA Plasma
Volume: 2.0 ml
Minimum: 1.0 ml
Storage: Refrigerate at 2-8°C
Stability: 5 Days Refrigerated or Frozen at -20°C
Turnaround Time: Routinely 24 to 48 Hours From Receipt