1802
During treatment of chronic hepatitis C patients with interferon and ribavirin , a lot of side effects are described .
 Disease: chronic hepatitis C; Chemical: ribavirin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: chronic hepatitis C; Chemical: ribavirin