【单选题】【消耗次数:1】
在使用干扰素-γ释放试验(IGRA)检测结核感染时,以下哪项是其主要优势?
需要较长时间培养
可以区分活动性结核病和潜伏性结核感染
对于BCG疫苗接种者有交叉反应
需要患者提供痰液样本
具有较高的敏感性和特异性
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