29578
Opportunistic infections caused by Pneumocystis jirovecii ( P . jirovecii , pj ) , Toxoplasma gondii ( T . gondii , tg ) and Mycobacterium avium ( M . avium , ma ) are the principal causes of morbidity and mortality in patients with acquired immunodeficiency syndrome ( AIDS ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None