Author: Zhen Ding; Hua Qian; Bin Xu; Ying Huang; Te Miao; Hui-Ling Yen; Shenglan Xiao; Lunbiao Cui; Xiaosong Wu; Wei Shao; Yan Song; Li Sha; Lian Zhou; Yan Xu; Baoli Zhu; Yuguo Li
Title: Toilets dominate environmental detection of SARS-CoV-2 virus in a hospital Document date: 2020_4_7
ID: bkh6j3h4_34
Snippet: The copyright holder for this preprint (which was not peer-reviewed) is Among the 46 air samples, only one sample (from a corridor) was weakly positive, while all others were negative. We characterised the airflow pattern in the hospital zone using incense smoke, which revealed that there was a weak flow from all isolation rooms to their shared corridor, as shown in Figure S1 . This showed that despite the continuous operation of a relatively str.....
Document: The copyright holder for this preprint (which was not peer-reviewed) is Among the 46 air samples, only one sample (from a corridor) was weakly positive, while all others were negative. We characterised the airflow pattern in the hospital zone using incense smoke, which revealed that there was a weak flow from all isolation rooms to their shared corridor, as shown in Figure S1 . This showed that despite the continuous operation of a relatively strong exhaust fan in all isolation rooms' bathrooms, none of these rooms had negative pressure. Thus, it is possible that leakage of aerosols from the isolation rooms to the corridor occurred. Airborne aerosols may have also been released from the protective clothing worn by healthcare workers into the environment in the multi-function room. We were not able to quantitatively measure the airflow in that zone.
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