The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

The COVID-19 pandemic has created significant concern for everyone. Recent data from
many worldwide reports suggest that most infections are caused by the Omicron variant and …

The outbreak of the COVID-19 pandemic was partially due to the challenge of identifying
asymptomatic and presymptomatic carriers of the virus, and thus highlights a strong …

Since the end of 2019, a highly contagious disease caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) has deprived numerous lives worldwide, called …

Since the start of the COVID-19 pandemic, numerous variants of SARS-CoV-2 have been
reported worldwide. The advent of variants of concern (VOCs) raises severe concerns amid …

Since autumn 2020, rapid antigen tests (RATs) have been implemented in several countries
as an important pillar of the national testing strategy to rapidly screen for infections on site …

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 …

Constantly mutating SARS-CoV-2 is a global concern resulting in COVID-19 infectious
waves from time to time in different regions, challenging present-day diagnostics and …

Abstract The Coronavirus Disease 2019 (COVID-19) pandemic has had an adverse impact
on the physical and mental health of the public worldwide. In addition to illness in patients …

Currently, the best method to well control the spread of COVID-19 without severe mental
health problems is to reach herd immunity. Therefore, the vaccination rate of the COVID-19 …