The Different Types of Encephalitis

The SSPE, the sub-excute sclerosis and panicephalitis is sort of terrifying because of its delayed response. The fact that it has a sub-acute progressive process can result in severe disability. And then I guess more from a historic perspective, one that does come up in terms of influenza viruses, encephalitis lethargica. This was something that was seen kind of during the influenza pandemic after World War I.