Since the appearance in the late of December 2019, SARS-CoV-2 is rapidly evolving and
mutating continuously, giving rise to various variants with variable degrees of infectivity and …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a new beta coronavirus
that emerged at the end of 2019 in the Hubei province of China. SARS-CoV-2 causes …

Newly emerging variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
are continuously posing high global public health concerns and panic resulting in waves of …

Objectives: Screen individuals based on exposure and symptom criteria to identify potential
COVID-19 cases. Identify the clinical features and radiological findings expected in patients …

Since its discovery in 2019, multiple variants of severe acute respiratory syndrome
coronavirus-2 (SARS-CoV-2) have been identified. This study investigates virus spread and …

The new discovery of the highly mutated Omicron variant of concern (VOC) GR/484A (B. 1.1.
529) of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in South Africa …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) keeps evolving and
mutating into newer variants over time, which gain higher transmissibility, disease severity …

Since 2019, the COVID-19 pandemic has resulted in sickness, hospitalizations, and deaths
of the old and young and impacted global social and economy activities. Vaccination is one …

The coronavirus, like all viruses, has mutated numerous times since it first appeared in
China in late 2019. Throughout the pandemic, a number of variants have surfaced, changing …

The global COVID-19 outbreak has returned with the identification of the SARS-CoV-2
Omicron variant (B. 1.1. 529) after appearing to be persistently spreading for the more than …