Pertussis boosters lack punch

  Acellular pertussis boosters offer only minimal protection against the disease, Australian researchers have found, indicating the vaccine is far from perfect.

Yet, their study, published  in the Medical Journal of Australia confirms that the first three doses of the vaccine in infancy are highly effective in warding off whooping cough in children up to four years old.

The researchers from the University of Queensland concluded that the acellular pertussis vaccine provided good protection