mSphere (Aug 2021)

Overlapping of Independent SARS-CoV-2 Nosocomial Transmissions in a Complex Outbreak

  • Laura Pérez-Lago,
  • Helena Martínez-Lozano,
  • Jose Antonio Pajares-Díaz,
  • Arantxa Díaz-Gómez,
  • Marina Machado,
  • Pedro J. Sola-Campoy,
  • Marta Herranz,
  • Maricela Valerio,
  • María Olmedo,
  • Julia Suárez-González,
  • Víctor Quesada-Cubo,
  • Maria del Mar Gómez-Ruiz,
  • Nieves López-Fresneña,
  • Ignacio Sánchez-Arcilla,
  • Iñaki Comas,
  • Fernando González-Candelas,
  • Sonia García de San José,
  • Rafael Bañares,
  • Pilar Catalán,
  • Patricia Muñoz,
  • Darío García de Viedma,

DOI
https://doi.org/10.1128/mSphere.00389-21
Journal volume & issue
Vol. 6, no. 4

Abstract

Read online

We report a complex epidemiological scenario of a nosocomial COVID-19 outbreak in the second wave, based on WGS analysis. Initially, standard epidemiological findings led to the assumption of a homogeneous outbreak caused by a single SARS-CoV-2 strain.