2251
Renal failure developed after a prolonged course of vancomycin therapy in 2 patients who were receiving tenofovir disoproxil fumarate as part of an antiretroviral regimen .
 Disease: Renal failure; Chemical: vancomycin; Chemical: tenofovir disoproxil fumarate
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: Renal failure; Chemical: vancomycin; Chemical: tenofovir disoproxil fumarate