Serodiagnosis of whooping cough in Belgium: results of the National Reference Centre for Bordetella pertussis anno 2013.

Objective: Report on the pitfalls of serodiagnosis of pertussis in Belgium for 2013 by the NRC Bordetella.

Methods: Determine cases of acute infection using an anti-pertussis toxin (PT) IgG antibody ELISA.

Results: A total of 2471 serum samples were received.