Japanese Encephalitis Welcome! You are encouraged to register with the site and login (for free). When you register, you support the site and your question history is saved.Although Japanese encephalitis often results in only mild symptoms, its symptoms are so severe and intractable that one in four cases are fatal. its symptoms are so severe and intractable that one in four cases it is of such severity and intractability, one in four cases so severe and intractable is it such that one in four cases such is its severity and intractability, one of four cases there is so much severity and intractability that one of four cases Review Answer