27446
Similarly , dual - delivery carriers significantly increased CD4 ( + ) IFN - gamma ( + ) ( Th1 ) responses and elicited a balanced IgG1 / IgG2c antibody response .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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