1872
Thus , the search for genetic and acquired susceptibility to nontuberculous mycobacteria is also a search for susceptibility factors for MTB as well as an opportunity to recognize endogenous pathways that can be exploited therapeutically .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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