A group of researchers, with scientists from the University of Georgia, has established that the return of pertussis - commonly known as whooping cough in America - is a predictable outcome of incomplete treatment with an effective vaccine. This conclusion goes against existing theories as to why we have seen a resurgence in the disease outbreak even while the vaccine is administered at an early age. The study is very important to public health in that it exposes the truth that there has not been any change in the epidemiology of whooping co...