Assessment of Air Contamination by SARS-CoV-2 in Hospital Settings

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The transmission modes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remain controversial. At the emerging stage of the pandemic, many countries implemented high-level precautions, including airborne and contact precautions, to prevent the spread from patients to health care professionals (HCPs). An emerging understanding of SARS-CoV-2 epidemiology, which is primarily transmitted from person to person through droplets, led to recommendations for droplet precautions to care for patients hospitalized with coronavirus disease 2019 (COVID-19). However, separating transmission dynamics into the dichotomy of droplet vs airborne transmission is probably simplistic. In some circumstances, aerosol particles (<5 μm in diameter) may be produced by individuals with infection and travel more than the 1.50 m commonly used to define transmission routes and contaminate surfaces further away.

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Birgand-2020-Hospital-Air-Contamination.pdf

Author(s)

  • Gabriel Birgand, PhD, National Institute of Health Research Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance, Imperial College London, London, United Kingdom; Centre Hospitalo-Universitaire de Nantes, Nantes, France

Collaborator(s)

  • Nathan Peiffer-Smadja, MD, National Institute of Health Research Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance, Imperial College London, London, United Kingdom; INSERM, IAME, UMR 1137, Paris, France; Assistance Publique–Hôpitaux de Paris, Hôpital Bichat–Claude Bernard, Infectious Diseases Unit, Paris, Paris, France; Equipe Operationnelle d'Hygiène, Siège Assistance Publique–Hôpitaux de Paris, Paris, France; Universitaire Paris Diderot, Sorbonne Paris Cité, Paris, France
  • Sandra Fournier, MD, Central Infection Control Team, Assistance Publique–Hôpitaux de Paris, Paris, France
  • Solen Kerneis, PhD, Equipe Mobile d’Infectiologie, Hôpital Cochin, Assistance Publique–Hôpitaux de Paris, Paris, France; Equipe de Prévention du Risque Infectieux, Hôpital Bichat, Assistance Publique–Hôpitaux de Paris, Paris, France
  • François-Xavier Lescure, PhD, INSERM, IAME, UMR 1137, Paris, France; Assistance Publique–Hôpitaux de Paris, Hôpital Bichat–Claude Bernard, Infectious Diseases Unit, Paris, Paris, France; Equipe Operationnelle d'Hygiène, Siège Assistance Publique–Hôpitaux de Paris, Paris, France; Universitaire Paris Diderot, Sorbonne Paris Cité, Paris, France
  • Jean-Christophe Lucet, PhD, INSERM, IAME, UMR 1137, Paris, France; Equipe Operationnelle d'Hygiène, Siège Assistance Publique–Hôpitaux de Paris, Paris, France; Assistance Publique–Hôpitaux de Paris, Hôpital Bichat–Claude Bernard, Infection Control Unit, Paris, France

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