The Bordetella Pertussis IgG Antibodies, Serum test measures the level of IgG antibodies against Bordetella pertussis, the bacterium responsible for whooping cough (pertussis). This test helps determine previous exposure, recent infection, or immune response following vaccination.
Clinical Significance
This test is useful for:
Supporting the diagnosis of pertussis infection
Evaluating immune status after vaccination
Detecting recent or past exposure to Bordetella pertussis
Investigating prolonged cough illness
Symptoms of Pertussis
Severe or prolonged coughing spells
“Whooping” sound after coughing
Runny nose
Mild fever
Vomiting after coughing
Fatigue
Specimen
Sample Type: Serum
Method
Methodology: Immunoassay / ELISA
Preparation
No special preparation or fasting is required.
Interpretation
Positive: Suggests recent infection, past exposure, or vaccination response
Negative: No detectable IgG antibodies
Results should be interpreted along with clinical findings and vaccination history.
Turnaround Time
Typically 3 to 5 days
Recommended For
Individuals with persistent cough
Suspected whooping cough infection
Post-vaccination immunity assessment
Epidemiological or outbreak investigations
Important Notes
Early infections may require additional testing such as PCR or IgM antibodies.
Vaccination history can influence IgG antibody levels.
Disclaimer
This test is intended for diagnostic support and should be interpreted by a qualified healthcare professional in correlation with clinical findings and other laboratory investigations.