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What is Pertussis?

This is a serious bacterial infection which leads to very severe cough (whooping cough) and chest infection.

What is the benefit of Acellular Pertussis Vaccine?

An acute brain condition of reduced level of consciousness with convulsion (brain encephalopathy) is said to be associated with wP.

The incidence of this rare complication is estimated to be 1 per 330,000 vaccine doses.

However, the causality between wP and the brain encephalopathy cannot be established. Acellular pertussis aP is said to be free from this rare brain complication associated with wP.

Last reviewed : 25 April 2012
Content Writer : Dato’ Dr. Jimmy Lee Kok Foo
Reviewer : Dr. Ranjini S. Sivanesom