poliomyelitis

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Definition of poliomyelitis in English English dictionary: Acute infection by the poliovirus, especially of the motor neurons in the spinal cord and brainstem, leading to muscle weakness, paralysis and sometimes deformity; Poliomyelitis is the same as polio. or polio or infantile paralysis Acute infectious viral disease that can cause flaccid paralysis of muscles. Severe epidemics killed or paralyzed many people, mostly children and young adults, until the 1960s, when Jonas Salk's injectable killed vaccine and Albert B. Sabin's oral attenuated live vaccine controlled polio in the developed world. Flulike symptoms with diarrhea may progress to back and limb pain, muscle tenderness, and stiff neck. Destruction of spinal cord motor cells causes paralysis, ranging from transient weakness to complete, permanent paralysis, in fewer than 20% of patients. Patients may lose the ability to use their limbs, to breathe, or to swallow and speak. They may need physical medicine and rehabilitation, mechanical breathing assistance, or tracheal suction to remove secretions. A "postpolio syndrome" occurs decades later in some cases, with weakness of muscles that had recovered; {i} infectious viral disease affecting the central nervous system that causes paralysis; an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord

poliomyelitis