Are the Portable Air Cleaners (PAC) really effective to terminate airborne SARS-CoV-2?
Are the Portable Air Cleaners (PAC) really effective to terminate airborne SARS-CoV-2?
复制标题
便携式空气净化器（PAC）真的能有效终止空气传播的SARS-CoV-2吗？
DOI：
10.1016/j.scitotenv.2021.147300
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发表时间：
2021-09-01
期刊：
影响因子：
--
通讯作者：
Rodríguez A
中科院分区：
文献类型：
--
作者：
Rodríguez M;Palop ML;Seseña S;Rodríguez A
SARS-CoV-2病毒通过气溶胶传播已成为一个突出的问题，其中许多传播方面正在进行分析。具有高效微粒空气（HEPA）过滤器的便携式空气净化器（PAC）已被讨论作为室内环境冠状病毒净化的一种预防性手段。这项研究首先评估了由于家庭中阳性患者导致的空气和表面SARS-COV-2 RNA污染，其次评估了带有HEPA过滤器的PAC消除病毒的效率。通过使用带有明胶过滤器和拭子的便携式空气收集器，在9个家庭内共收集了29个空气和表面样本。采用实时荧光定量逆转录聚合酶链反应（RT-PCR）检测SARS-CoV-2 RNA。总体而言，在使用PAC之前收集的所有空气样本和75%的拭子样本对SARS-CoV-2呈阳性。PAC使用后，除一个样本外，所有样本均为阴性，显示器械有效性为80%。便携式HEPA清洁器的使用允许去除SARS CoV-2，因此，考虑到设备的限制和功能，可以推荐用于通风不足的地方。
The transmission of SARS-CoV-2 virus through aerosols has become an outstanding issue, where plenty of spread aspects are being analyzed. Portable Air Cleaners (PAC) with high-efficiency particulate air (HEPA) filters have been discussed as an adjunctive means for indoor environments coronavirus decontamination. This study evaluates, first, the air and surfaces SARS-COV-2 RNA contamination due to positive patients in households, and second, the efficiency of a PAC with HEPA filter to eliminate virus. A total of 29 air and surface samples were collected inside 9 households, by using an air portable collector with gelatin filters and swabs. SARS-CoV-2 RNA detection was performed using real-time reverse transcription polymerase chain reaction (RT-PCR). Overall, all the air samples collected before using PAC and 75% of swab samples were positive for SARS-CoV-2. After the PAC usage, all samples except one were negative, displaying a 80% device effectiveness. Portable HEPA cleaners usage allowed the removal of SARS CoV-2 and, therefore, they could be recommended for places with inadequate ventilation, considering the limitations and functionality of the device.
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