A.
There is any one in the history of epidemiology, and it matches any one of the clinical manifestations.
B.
There is any one in the history of epidemiology, and it matches any two of the clinical manifestations.
C.
Without a clear history of epidemiology, it is in line with one of the clinical manifestations.
D.
Without a clear history of epidemiology, in line with two of the clinical manifestations.
E.
Without a clear history of epidemiology, in line with three of the clinical manifestations.