Recurrent positivity in a patient with COVID-19 may be due to various reasons, not
necessarily reinfection. There is concern about the occurrence frequency of reinfection. Five …

BACKGROUND There is recently a concern regarding the reinfection and reactivation of
previously reCoVered coronavirus disease 2019 (CoVID-19) patients. AIM To summarize …

Background With the continuation of the COVID-19 pandemic, some COVID-19 patients
have become reinfected with the virus. Viral gene sequencing has found that some of these …

Background: During the phase of severe COVID-19 pandemic, the instances of reinfection
cases initiated serious dilemmas in the healthcare world. This study aims to analyze the rate …

The COVID-19 pandemic has spread rapidly in many countries, overburdening health
systems and causing numerous economic and social impacts. Most studies on the subject …

METHODS: This retrospective cohort study included five hospitals across Saudi Arabia. All
subjects who were presented or admitted with positive SARS-CoV-2 real-time polymerase …

The COVID-19 pandemic has infected millions of people worldwide and many countries
have been suffering from a large number of deaths. Acknowledging the ability of SARS-CoV …

Introduction The duration of immunity after infection from SARS-CoV-2 conferring protection
from subsequent COVID-19 episodes is not yet fully understood. We reviewed the literature …

Reports of SARS-CoV-2 reinfections are on the rise. This study focused on reinfections in
patients with confirmed COVID-19 in the Czech Republic. Between 1 March 2020 and 9 …

The possibilities of coronavirus disease 2019 (COVID-19) to reinfect individuals have not
been reported yet. All reported hypothesis of reinfection has been attributed to either relapse …