2426
Here, we describe a case of Vogt-Koyanagi-Harada disease occurring 4 months after the start of interferon alpha treatment, probably induced by the immunomodulatory effects of interferon.
 adverse event: occurring 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: occurring 