Environmental severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) contamination in hospital rooms during the first and third coronavirus disease 2019 (COVID-19) waves

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Le Neindre, Killian | Couturier, Jeanne | Schnuriger, Aurélie | Jolivet, Sarah | Gouot, Cyril | Majerholc, Mickaël | Supplisson, Pierre | Tan, Céline | Perrier, Marine | Lazare, Christelle | Morand-Joubert, Laurence | Barbut, Frédéric

Edité par CCSD -

International audience. We investigated the frequency, distribution, and risk factors of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) environmental contamination around infected patients during the first and third wave of the coronavirus disease 2019 pandemic. The shedding of SARS-CoV-2 in rooms of infected patients was limited in our hospital setting. CoV-2 infection (community versus hospital acquired), type of SARS-CoV-2 variant (when available) and cycle threshold (Ct) values. We defined a hospital-acquired infection as a patient admitted without symptoms suggestive of COVID-19 who had SARS-CoV-2 RNA detected at least 3 days after admission. Environmental sampling and virology assays Surfaces (10-cm × 10-cm) were sampled using premoistened swabs discharged in 500 μL viral medium transport VTM (Labomoderne, France). Air (1,000 L, 50 L/min flow) was sampled 1 m from the patient using the MD8 air sampler (Sartorius, Germany). Air was

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