Air dispersal of severe acute respiratory coronavirus virus 2 (SARS-CoV-2): Implications for hospital infection control during the fifth wave of coronavirus disease 2019 (COVID-19) due to the SARS-CoV-2 omicron variant in Hong Kong.

Shuk-Ching Wong Veronica Wing-Man Chan Lithia Lai-Ha Yuen Christine Ho-Yan AuYeung Jessica Oi-Yan Leung Chi-Kuen Li Monica Oi-Tung Kwok Simon Yung-Chun So Jonathan Hon-Kwan Chen Anthony Raymond Tam Ivan Fan-Ngai Hung Kelvin Kai-Wang To Janice Yee-Chi Lo Kwok-Yung Yuen Vincent Chi-Chung Cheng

Infect Control Hosp Epidemiol

Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.

Published: August 2023

We obtained 24 air samples in 8 general wards temporarily converted into negative-pressure wards admitting coronavirus disease 2019 (COVID-19) patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron variant BA.2.2 in Hong Kong. SARS-CoV-2 RNA was detected in 19 (79.2%) of 24 samples despite enhanced indoor air dilution. It is difficult to prevent airborne transmission of SARS-CoV-2 in hospitals.

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http://dx.doi.org/10.1017/ice.2022.258	DOI Listing

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