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We report an HIV-infected woman who developed mild leukopenia as the first sign of a nevirapine-related adverse event, which was followed by skin and hepatic toxicity associated with a more severe leukopenia.
 adverse event: developed 
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: developed 