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Risk Factors for Slow Viral Decline in COVID-19 Patients during the 2022 Omicron Wave
Publication Type: Academic Journal
Source(s): Viruses, Vol 14, Iss 1714, p 1714 (2022)
Abstract: Formulating termination of isolation (de-isolation) policies requires up-to-date knowledge about viral shedding dynamics. However, current de-isolation policies are largely based on viral load data obtained before the emergence of Omicron variant. In t...
SARS-CoV-2 Omicron Variant, Lineage BA.1, Is Associated with Lower Viral Load in Nasopharyngeal Samples Compared to Delta Variant
Publication Type: Academic Journal
Source(s): Viruses, Vol 14, Iss 919, p 919 (2022)
Abstract: 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 yet documented if the Omicron variant’s enhanced infectivity is al...
Is the SARS CoV-2 Omicron Variant Deadlier and More Transmissible Than Delta Variant?
Publication Type: Academic Journal
Source(s): International Journal of Environmental Research and Public Health, Vol 19, Iss 4586, p 4586 (2022)
Abstract: Genetic variants of severe acute respiratory syndrome coronavirus (SARS-CoV-2) have been globally surging and devastating many countries around the world. There are at least eleven reported variants dedicated with inevitably catastrophic consequences. ...
How Do Point Mutations Enhancing the Basic Character of the RBDs of SARS-CoV-2 Variants Affect Their Transmissibility and Infectivity Capacities?
Publication Type: Academic Journal
Source(s): Viruses, Vol 14, Iss 783, p 783 (2022)
Abstract: The spread of SARS-CoV-2 variants in the population depends on their ability to anchor the ACE2 receptor in the host cells. Differences in the electrostatic potentials of the spike protein RBD (electropositive/basic) and ACE2 receptor (electronegative/...
SARS-CoV-2 Vaccine Breakthrough Infections of Omicron and Delta Variants in Healthcare Workers
Publication Type: Academic Journal
Source(s): Vaccines, Vol 11, Iss 958, p 958 (2023)
Abstract: Understanding SARS-CoV-2 breakthrough infections in vaccinated healthcare workers is of key importance in mitigating the effects of the COVID-19 pandemic in healthcare facilities. An observational prospective cohort study was conducted in vaccinated em...
Analysis of the Solution of a Model of SARS-CoV-2 Variants and Its Approximation Using Two-Step Lagrange Polynomial and Euler Techniques
Publication Type: Academic Journal
Source(s): Axioms, Vol 12, Iss 480, p 480 (2023)
Abstract: In this paper, a vaccination model for SARS-CoV-2 variants is proposed and is studied using fractional differential operators involving a non-singular kernel. It is worth mentioning that variability in transmission rates occurs because of the particula...
Multiplex RT Real-Time PCR Based on Target Failure to Detect and Identify Different Variants of SARS-CoV-2: A Feasible Method That Can Be Applied in Clinical Laboratories
Publication Type: Academic Journal
Source(s): Diagnostics, Vol 13, Iss 1364, p 1364 (2023)
Abstract: Shortly after its emergence, Omicron and its sub-variants have quickly replaced the Delta variant during the current COVID-19 outbreaks in Vietnam and around the world. To enable the rapid and timely detection of existing and future variants for epidem...
Comparative Analysis of Clinical and CT Findings in Patients with SARS-CoV-2 Original Strain, Delta and Omicron Variants
Publication Type: Academic Journal
Source(s): Biomedicines, Vol 11, Iss 901, p 901 (2023)
Abstract: Objectives: To compare the clinical characteristics and chest CT findings of patients infected with Omicron and Delta variants and the original strain of COVID-19. Methods: A total of 503 patients infected with the original strain (245 cases), Delta va...
Omicron-BA.1 Dispersion Rates in Mexico Varied According to the Regional Epidemic Patterns and the Diversity of Local Delta Subvariants
Publication Type: Academic Journal
Source(s): Viruses, Vol 15, Iss 243, p 243 (2023)
Abstract: Purpose: The Omicron subvariant BA.1 of SARS-CoV-2 was first detected in November 2021 and quickly spread worldwide, displacing the Delta variant. In this work, a characterization of the spread of this variant in Mexico is presented. Methods: The time ...
The SARS-CoV-2 Delta-Omicron Recombinant Lineage (XD) Exhibits Immune-Escape Properties Similar to the Omicron (BA.1) Variant
Publication Type: Academic Journal
Source(s): International Journal of Molecular Sciences, Vol 23, Iss 14057, p 14057 (2022)
Abstract: Recently, a recombinant SARS-CoV-2 lineage, XD, emerged that harbors a spike gene that is largely derived from the Omicron variant BA.1 in the genetic background of the Delta variant. This finding raised concerns that the recombinant virus might exhibi...