polio http://www.healthline.com/health/poliomyelitis#Overview1 http://www.healthline.com/health/poliomyelitis#Overview1 http://www.healthline.com/health/poliomyelitis#Overview1 Children under 5 are at greater risk http://www.healthline.com/health/poliomyelitis#Overview1 https://www.healthline.com/health/poliomyelitis http://www.healthline.com/health/poliomyelitis#Overview1 Polio children were particularly susceptible Symptoms of non-paralytic polio Symptoms of non-paralytic polio Healthline Polio Symptoms of non-paralytic polio poliomyelitis Polio источник Polio: Types, Causes, & Symptoms Symptoms of non-paralytic polio Polio Symptoms of non-paralytic polio Symptoms of non-paralytic polio