Epidemiology of PolioDownload Epidemiology of Poliomyelitis Poliomyelitis, commonly known as polio, is an acute viral illness that primarily targets the human gastrointestinal tract. While the majority of infections remain subclinical or mild, a very small fraction—less than 1%—advance to infect the central nervous system, resulting in flaccid paralysis. Thanks to concerted global health efforts, the … Continue reading CM 8.1 Epidemiology, clinical features and control measures of poliomyelitis →