1806
We present a 49 - year - old woman who developed a delusional parasitosis during treatment with pegylated interferon alpha - 2b weekly and ribavirin .
 Disease: delusional parasitosis; Chemical: pegylated interferon alpha - 2b; Chemical: ribavirin
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: delusional parasitosis, pegylated interferon alpha - 2b, ribavirin 
Answer:
 Disease: delusional parasitosis; Chemical: pegylated interferon alpha - 2b; Chemical: ribavirin