Probable airborne transmission in a nosocomial Sars-CoV-2 outbreak with an high attack rate

Igiene e Sanità Pubblica 2023; 85 (5): 110-117

Paola Anello1, Riccardo Boscolo Cegion2, Andrea Basso2, Chiara Cabbia1, Francesca Azzolini1, Luciano Crimi1, Myriam Ruggiero1, Mara Carraro1, Stefano Mazzon3, Milvia Marchiori1


1 Direzione Medica di Ospedale, Presidio Ospedaliero di Camposampiero, Azienda ULSS Padova, Italy

2 Dipartimento di Scienze Cardio-Toraco-Vascolari e Sanità Pubblica, Università degli Studi di Padova, Padova, Italy

3 Unità Operativa di Recupero e Riabilitazione Funzionale, Presidio Ospedaliero di Camposampiero, Azienda ULSS 6 Euganea, Padova, Italy


Throughout the current COVID-19 pandemic, preventing nosocomial COVID-19 outbreaks has been a significant challenge for hospitals.
It is essential to understand the ways in which SARS-CoV-2 spreads in healthcare settings to apply proper infection prevention and control (IPC) measures.
The objectives of this study are to report on the hospital’s response to a COVID-19 cluster and the transmission dynamics in a hospital ward of Geriatrics, Rehabilitation and Long term care. The study will focus specifically on how insufficient air replacement and directional airflow in indoor settings may have contributed to the transmission of the virus.

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