World Health Organization Western Pacific Region

Celebrating a polio-free Western Pacific Region

A polio victim in Bicol, Philippines, 2010
WHO

A crippling and potentially fatal disease

Polio is a highly infectious disease caused by a virus. It invades the nervous system, and can cause total paralysis in a matter of hours. One in 200 infections leads to irreversible paralysis, usually in the legs. Among those paralysed, 5% to 10% die when their breathing muscles become immobilized.

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