2450
The ocular myasthenia associated with combination therapy of pegylated IFN alpha - 2b and ribavirin for CHC is very rarely reported ; therefore , we present this case with a review of the various eye complications of IFN therapy .
 Disease: ocular myasthenia; Chemical: pegylated IFN alpha - 2b; Chemical: ribavirin; Disease: CHC; Chemical: IFN
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: ocular myasthenia, pegylated IFN alpha - 2b, ribavirin, CHC, IFN 
Answer:
 Disease: ocular myasthenia; Chemical: pegylated IFN alpha - 2b; Chemical: ribavirin; Disease: CHC; Chemical: IFN