2664
Compared with hepatitis E virus ( HEV ) and non - A non - E - induced ALF , ATT - ALF patients had nearly similar presentations except for older age and less elevation of liver enzymes .
 hepatitis E, ALF, ALF
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 hepatitis E, ALF, ALF