Background As the COVID-19 pandemic rages on, reports on disparities in vaccine roll out
alongside COVID-19 reinfection have been emerging. We conducted a systematic review to …

Introduction Interest revolving around coronavirus disease 2019 (COVID‐19) reinfection is
escalating rapidly. By definition, reinfection denotes severe acute respiratory syndrome …

Objective Acceptance of the COVID-19 vaccine will impart a pivotal role in eradicating the
virus. In Pakistan, health care workers (HCWs) are the first group to receive vaccination. This …

Objective We aimed to look at the burden of disease caused by SARS-COV-2 reinfections
and identified potential risk factors for disease severity. Methods We used national …

The COVID-19 infection which is still infecting many individuals around the world and at the
same time the recovered individuals after the recovery are infecting again. This reinfection of …

Reinfection with SARS-CoV-2 seems to be a rare phenomenon. The objective of this study is
to carry out a systematic search of literature on the SARS-CoV-2 reinfection in order to …

Background The COVID-19 pandemic has had a devastating impact on the world over the
past two years (2020-2021). One of the key questions about its future trajectory is the …

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 …

Many studies have investigated post-COVID symptoms, but the predictors of symptom
persistence remain unknown. The objective was to describe the natural course of the …

Background Narrowing a large set of features to a smaller one can improve our
understanding of the main risk factors for in-hospital mortality in patients with COVID-19 …