False-negative nasopharyngeal severe acute respiratory coronavirus virus 2 (SARS-CoV-2) reverse-transcription polymerase chain reaction (RT-PCR) in immunocompromised patients resulting in healthcare worker exposures

免疫功能低下患者鼻咽拭子严重急性呼吸道冠状病毒2（SARS-CoV-2）逆转录聚合酶链式反应（RT-PCR）检测出现假阴性结果，导致医护人员暴露于病毒之中。