Emergence of SARS-CoV-2 variants of concern (VOC) with progressively increased
transmissibility between humans is a threat to global public health. Omicron variant also …

Since the emergence of SARS-CoV-2, five different variants of concern (VOCs) have been
identified: Alpha, Beta, Gamma, Delta, and Omicron. Because of confounding factors in the …

Following the outbreak of Omicron and its subvariants, many of the currently available rapid
Ag tests (RATs) showed a decrease in clinical performance. In this study, we evaluated the …

The SARS-CoV-2 Omicron (B. 1.1529) variant was designated as a variant of concern (VOC)
by the World Health Organization (WHO) on November 26, 2021. Within two months, it had …

SARS‐CoV‐2 Omicron variant seemed to cause milder disease compared to previous
predominated variants. We aimed to conduct a meta‐analysis to assess the pooled …

The mutation profile of the SARS-CoV-2 Omicron variant poses a concern for naturally
acquired and vaccine-induced immunity. We investigated the ability of prior infection with an …

A study led by researchers from the LKS Faculty of Medicine at The University of Hong Kong
(HKUMed) provides the first information on how the novel Variant of Concern (VOC) of …

COVID's Omicron variant has sparked a slew of concerns across the globe. This review aims
to provide a brief overview of what we know about the Omicron variant right now. The new …

OBJECTIVE: The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has
created a challenging and threatening situation worldwide. The SARS-CoV-2 embodies …

Objectives: High viral load in upper respiratory tract specimens observed for Delta cases
might contribute to its increased infectivity compared to the other variant. However, it is not …