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Physicians should recognise the possibility of fatal bacterial infections related to bortezomib plus high - dose dexamethasone in elderly patients , and we believe this case warrants further investigation .
 Disease: bacterial infections; Chemical: bortezomib; Chemical: dexamethasone
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: bacterial infections; Chemical: bortezomib; Chemical: dexamethasone