S utter et al. (1991) also wrote: "Among the most disturbing features of the [paralytic poliomyelitis] outbreak [in Oman] was that it occurred in the face of a model immunisation programme and that widespread transmission had occurred in a sparsely populated, predominantly rural setting." This represents further evidence that vaccination caused the outbreak. The vaccinators had travelled into s...

Poliomyelitis has afflicted humankind since antiquity, and for nearly a century now, we have known the causative agent, poliovirus. This pathogen is an enterovirus that in recent history has been the source of a great deal of human suffering. Although comparatively small, its genome is packed with sufficient information to make it a formidable pathogen. In the last 20 years the Global Polio Era...