BNT162b2 Messenger RNA Vaccination Did Not Prevent an Outbreak of Severe Acute Respiratory Syndrome Coronavirus 2 Variant 501Y.V2 in an Elderly Nursing Home but Reduced Transmission and Disease Severity

Author:

Bailly Benoit12,Guilpain Luc3,Bouiller Kevin24,Chirouze Catherine24,N’Debi Melissa5,Soulier Alexandre6,Demontant Vanessa5,Pawlotsky Jean-Michel67,Rodriguez Christophe567,Fourati Slim67

Affiliation:

1. Department of Infectious Disease, University Hospital of Besançon, Besançon, France

2. Department of Infectious Disease, Hospital of Lons Le Saunier, Lons Le Saunier, France

3. Department of Medical Laboratory, Hospital of Lons Le Saunier, Lons Le Saunier, France

4. UMR-CNRS 6249 Chrono-environnement, Université Bourgogne Franche-Comté, Besançon, France

5. Genomics Platform, Hôpital Henri Mondor (AP-HP), Université Paris-Est, Créteil, France

6. Virology Unit, Department of Prevention, Diagnosis and Treatment of Infections, Hôpital Henri Mondor (AP-HP), Université Paris-Est, Créteil, France

7. Institut Mondor de Recherche Biomédicale, INSERM U955, Université Paris-Est, Créteil, France

Abstract

Abstract We report an outbreak of severe acute respiratory syndrome coronavirus 2 501Y.V2 in a nursing home. All nonvaccinated residents (5/5) versus half of those vaccinated with BNT162b2 (13/26) were infected. Two of 13 vaccinated versus 4 of 5 nonvaccinated residents presented severe disease. BNT162b2 did not prevent the outbreak, but reduced transmission and disease severity.

Funder

Ministry of Health

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Microbiology (medical)

Reference16 articles.

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2. BNT162b2 mRNA Covid-19 vaccine in a nationwide mass vaccination setting;Dagan;N Engl J Med,2021

3. Inotersen treatment for patients with hereditary transthyretin amyloidosis;Benson;N Engl J Med,2018

4. Efficacy of the ChAdOx1 nCoV-19 Covid-19 vaccine against the B.1.351 variant;Madhi;N Engl J Med,2021

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