Whooping cough is an acute, highly contagious respiratory disease with a significant incidence of mortality in children under 5 years of age. Certain dogmas previously held concerning the disease incidence, clinical presentation, diagnosis and prevention need to be revisited as new concepts concerning the disease now hold true. We need to be aware of these issues in order to tackle this formidable bacterial pathogen that is making a worldwide resurgence in the developed as well as the developing world.Despite decades of research, many aspects of B.pertussis physiology and pathogenesis remain poorly understood.

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