| http://www.w3.org/ns/prov#value | - The incidence rate is about 8 per 1,000,000 people per year.[8] Although it occurs in all ages, most reported cases are in children and adolescents, with the average age around 5 to 8 years old.[9][10][11] The mortality rate may be as high as 5%; however, full recovery is seen in 50 to 75% of cases with increase in survival rates up to 70 to 90% with figures including minor residual disability as
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