The most common complication in the body is the joint involvement , which occurs in female adults up to sixty percent . Fingers , knees , ankles , and wrists are the affected frequently . Arthralgia usually takes three to five days . However , it is usually uncommon in male patients and prepubertal females . Though encephalitis usually develops , its prognosis is good . The chance of having developing this complication is usually one out of ten thousand incident . Thrombocytopenic purpura may by present and is usually seen as...











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