Subacute sclerosing panencephalitis (SSPE) is an extremely serious, very late neurologic sequela of measles that afflicts about 7 in every 1 million patients.

• 最为严重的是亚急性硬化性全脑炎，这种麻疹晚期神经中枢系统并发症在一百万患者中约有7人会发生。