Proper Assignation of Reactivation in a COVID-19 Recurrence Initially Interpreted as a Reinfection.

The Journal of Infectious Diseases
Laura Pérez-LagoDarío García de Viedma

Abstract

A 77-year-old man (case R) with previous diagnosis of a mild COVID-19 episode was hospitalized 35 days later. On day 23 postadmission, he developed a second COVID-19 episode, now severe, and finally died. Initially, case R's COVID-19 recurrence was interpreted as a reinfection due to the exposure to a SARS-CoV-2 RT-PCR-positive roommate. However, whole-genome sequencing indicated that case R's recurrence corresponded to a reactivation of the strain involved in his first episode. Case R's reactivation had major consequences, leading to a more severe episode, and causing subsequent transmission to another 2 hospitalized patients, 1 of them with fatal outcome.

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Citations

Nov 18, 2021·Microbiology Spectrum·Cristina Rodríguez-GrandeUNKNOWN Gregorio Marañón Microbiology-ID COVID 19 Study Group

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