4778
A high titer of anti - HBc , thus suggested to be an indicator of persistent hepatitis B virus infection , was found rarely in seronegative patients with chronic hepatitis , non - alcoholic cirrhosis , or alcoholic liver diseases .
 GENE: anti - HBc
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: anti - HBc