Pertussis (whooping cough)

Bordetella pertussis bacteria in trachea. © Science Photo Library

Pertussis is also known as whooping cough. It is a highly infectious bacterial disease involving the respiratory tract. It is caused by a bacterium (Bordetella pertussis or Bordetella Parapertussis) that is found in the mouth, nose and throat of an infected person. 

Symptoms usually appear 7 to 10 days after infection, but may also appear up to 21 days later. Initially, symptoms resemble those of a common cold, including sneezing, runny nose, low-grade fever and a mild cough.

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