WHO declares end of polio outbreak in Philippines - Rappler

Polio or poliomyelitis is a highly contagious disease caused by poliovirus invading the nervous system. Symptoms include fever, fatigue, headache, vomiting, stiff neck, and sudden onset of floppy arms or legs. In severe cases, it can lead to permanent paralysis or even death. Children under 5 years of age are most vulnerable to the disease.