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Polio Virus Organism Poliovirus is a positive stranded RNA virus non enveloped protein capsid1 It is belong to a family of Picornaviridae1 Genus of virus is enterovirus species is human enterovirus C1 The incubation period is usually 7 to 21 days and it can survive in an acidic pH environment2 Disease Caused poliomyelitis Polio is caused by a virus that infects the intestinal tract gastrointestinal tract sometimes spread towards CNS and other parts of the body3 Most infections do not cause serious illness However some people may develop meningitis or become paralyzed4 Cause debilitating muscle disorder by damaging neurons motor 5 Polio most commonly effects children less than 6 months causes asymmetric paralysis Most infections are asymptomatic or have mild symptoms and also paralytic and non paralytic4 Symptoms a Mild symptoms include fever tiredness headache sore throat nausea and vomiting3 b In some cases the illness becomes more severe and symptoms include severe muscle pain and stiffness in the neck and back Muscle paralysis may occur4 c In a small percentage of cases and death may occur if breathing muscles become paralyzed3 Detection Diagnosis Polio is usually associated with travel to a country where it does occur if you have been exposed to someone diagnosed with polio and have experienced the symptoms described see your health care providers
