2653
Increased extracellular concentrations of uridine ( Urd ) have been reported to reduce , in vitro , azidothymidine ( AZT ) - induced inhibition of human granulocyte - macrophage progenitor cells without impairment of its antihuman immunodeficiency virus ( HIV ) activity .
 Chemical: uridine; Chemical: Urd; Chemical: azidothymidine; Chemical: AZT; Disease: immunodeficiency
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:
 Chemical: uridine; Chemical: Urd; Chemical: azidothymidine; Chemical: AZT; Disease: immunodeficiency