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Comparing Dynamics and Determinants of Severe Acute Respiratory Syndrome Coronavirus 2 Transmissions Among Healthcare Workers of Adult and Pediatric Settings in Central Paris.
Contejean, Adrien; Leporrier, Jérémie; Canouï, Etienne; Alby-Laurent, Fanny; Lafont, Emmanuel; Beaudeau, Lauren; Parize, Perrine; Lecieux, Fabienne; Greffet, Agnès; Chéron, Gérard; Gauzit, Rémy; Fourgeaud, Jacques; L'Honneur, Anne-Sophie; Tréluyer, Jean-Marc; Charlier, Caroline; Casetta, Anne; Frange, Pierre; Leruez-Ville, Marianne; Rozenberg, Flore; Lortholary, Olivier; Kernéis, Solen.
  • Contejean A; Université de Paris, Faculté de Médecine, Paris, France.
  • Leporrier J; Equipe Mobile d'Infectiologie, Assistance Publique-Hôpitaux de Paris, APHP.CUP, Hôpital Cochin, Paris, France.
  • Canouï E; Service de maladies infectieuses et tropicales, Assistance Publique-Hôpitaux de Paris, IHU Imagine, Hôpital Necker-Enfants malades, Paris, France.
  • Alby-Laurent F; Equipe Mobile d'Infectiologie, Assistance Publique-Hôpitaux de Paris, APHP.CUP, Hôpital Cochin, Paris, France.
  • Lafont E; Université de Paris, Faculté de Médecine, Paris, France.
  • Beaudeau L; Service de maladies infectieuses et tropicales, Assistance Publique-Hôpitaux de Paris, IHU Imagine, Hôpital Necker-Enfants malades, Paris, France.
  • Parize P; Université de Paris, Faculté de Médecine, Paris, France.
  • Lecieux F; Service de maladies infectieuses et tropicales, Assistance Publique-Hôpitaux de Paris, IHU Imagine, Hôpital Necker-Enfants malades, Paris, France.
  • Greffet A; Equipe Mobile d'Infectiologie, Assistance Publique-Hôpitaux de Paris, APHP.CUP, Hôpital Cochin, Paris, France.
  • Chéron G; Service de maladies infectieuses et tropicales, Assistance Publique-Hôpitaux de Paris, IHU Imagine, Hôpital Necker-Enfants malades, Paris, France.
  • Gauzit R; Service de santé au travail, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, Paris, France.
  • Fourgeaud J; Service de santé au travail, Assistance Publique-Hôpitaux de Paris, Hôpital Necker-Enfants malades, Paris, France.
  • L'Honneur AS; Université de Paris, Faculté de Médecine, Paris, France.
  • Tréluyer JM; Service d'urgences pédiatriques, Assistance Publique-Hôpitaux de Paris, Hôpital Necker-Enfants malades, Paris, France.
  • Charlier C; Equipe Mobile d'Infectiologie, Assistance Publique-Hôpitaux de Paris, APHP.CUP, Hôpital Cochin, Paris, France.
  • Casetta A; Laboratoire de virologie, Assistance Publique-Hôpitaux de Paris, Hôpital Necker-Enfants malades, Paris, France.
  • Frange P; EHU 7328 PACT, Institut Imagine, Université de Paris, Faculté de Médecine, Paris, France.
  • Leruez-Ville M; Service de virologie, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, Paris, France.
  • Rozenberg F; Département de soins intensifs pédiatriques, Assistance Publique-Hôpitaux de Paris, Hôpital Necker-Enfants malades, Paris, France.
  • Lortholary O; Pharmacology and Drug Evaluation in Children and Pregnant Women EA7323, Université de Paris, Faculté de Médecine, Paris, France.
  • Kernéis S; Département de pharmacologie clinique, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, Paris, France.
Clin Infect Dis ; 72(2): 257-264, 2021 01 27.
Article in English | MEDLINE | ID: covidwho-1050132
ABSTRACT

BACKGROUND:

Healthcare workers (HCWs) have paid a heavy toll during the coronavirus disease 2019 (COVID-19) outbreak. Routes of transmission remain to be fully understood.

METHODS:

This prospective study compared a 1500-bed adult and 600-bed pediatric setting of a tertiary-care university hospital located in central Paris. From 24 February until 10 April 2020, all symptomatic HCWs were screened for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on a nasopharyngeal swab. HCWs screened positive were questioned on their profession, symptoms, and occupational and nonoccupational exposures to SARS-CoV-2.

RESULTS:

Among 1344 HCWs tested, 373 were positive (28%) and 336 (90%) corresponding questionnaires were completed. Three hospitalizations and no deaths were reported. Most HCWs (70%) had patient-facing occupational activities (22% in COVID-19 dedicated units). The total number of HCW cases peaked on 23 March, then decreased slowly, concomitantly with a continuous increase of compliance to preventive measures (including universal medical masking and personal protective equipment [PPE] for direct care to COVID-19 patients). Attack rates were of 3.2% and 2.3% in the adult and pediatric settings, respectively (P = .0022). In the adult setting, HCWs more frequently reported exposure to COVID-19 patients without PPE (25% vs 15%, P = .046). Report of contacts with children attending out-of-home care facilities dramatically decreased over the study period.

CONCLUSIONS:

Universal masking, reinforcement of hand hygiene, and PPE with medical masks for patients' care allowed protection of HCWs and containment of the outbreak. Residual transmissions were related to persistent exposures with undiagnosed patients or colleagues and not to contacts with children attending out-of-home care facilities.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Cohort study / Observational study / Prognostic study Topics: Long Covid Limits: Adult / Child / Humans Country/Region as subject: Europa Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: Cid

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Cohort study / Observational study / Prognostic study Topics: Long Covid Limits: Adult / Child / Humans Country/Region as subject: Europa Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: Cid