Variants

In a new study, a team of researchers assessed the affinity of the SARS-CoV-2 Omicron variant of concern towards major histocompatibility complex (MHC) binding // 4.2.2022

Researchers review existing literature to quantify the transmissibility, immune evasion, reinfection, and severity of the SARS-CoV-2 Omicron variant. // 3.2.2022

Recently, researchers from the University of Copenhagen have been investigating the spread of two sublineages of the Omicron variant among Danish households. // 31.1.2022

In a new study, a team of researchers assessed how serial intervals of SARS-CoV-2 Omicron and Delta variants varied during the same time period in the Netherlands. // 25.1.2022

There are many variables when it comes to COVID reinfections // 25.1.2022

In a recent study posted to the Preprints with The Lancet* server, a large team of researchers estimated the comparative risk of hospitalization after infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron and Delta variants of concern (VOCs) in Denmark. // 24.1.2022

Researchers from Portugal reported a 75% risk reduction in hospitalizations for individuals infected with Omicron variant of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) compared to the Delta variant and a shorter length of stay and lower mortality if hospitalization does occur. // 24.1.2022

Researchers assess the impact of the SARS-CoV-2 Omicron variant of concern on symptoms of SARS-CoV-2 infection. // 23.1.2022

A recent study published in the journal Science brings a detailed chemical and molecular perspective on the improved evasion of antibodies against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the retention of strong interactions with the receptor as two principal factors underneath the notorious transmissibility of the SARS-CoV-2 Omicron variant. // 23.1.2022

A new study compared the SARS-CoV-2 Wuhan strain and all the variants of concern (VOCs) - Alpha, Beta, Delta, and Omicron variants for their survivability and infectivity. // 21.1.2022

The newly reported Omicron variant is poised to replace Delta as the most prevalent SARS-CoV-2 variant across the world. Cryo-EM structural analysis of the Omicron variant spike protein in complex ... // 20.1.2022

To gain a better understanding of the antigenic properties of Mu and A.2.5 Spikes, Canadian scientists evaluated their capacity to interact with ACE2 and performed binding and neutralization assays with plasma from vaccinated individuals. // 18.1.2022

In a new study, researchers posted findings in which they investigated the viral dynamics of the SARS-CoV-2 Omicron variant. // 18.1.2022

In a new study, researchers characterized the features of the outbreak duration of the novel SARS-CoV-2 variants of concern. // 18.1.2022

In a new study, a team of researchers compared the severity of the SARS-CoV-2 Omicron variant to the Delta variant using the PCR proxy marker of RNA dependent RNA polymerase target delay. // 18.1.2022

Researchers in Germany, based on their recent study published in the journal ChemBioChem, have proposed that the elevated occurrence of positively charged amino acids in specific domains of the severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) Omicron variant spike protein improves viral binding to cellular negatively charged receptors aiding in enhanced infectiousness. // 16.1.2022

Researchers compare SARS-CoV-2 pre-variants of concern strains to the Delta and Omicron VOCs. // 16.1.2022

A recent study uses an artificial intelligence model to investigate Omicron's mutations and its infectivity, vaccine escape capability, and susceptibility to monoclonal antibodies. // 10.1.2022

Researchers from Germany, in their recent study published in the journal Cellular & Molecular Immunology, have evaluated the mutations in the S protein of one such SARS-CoV-2 strain, a Delta sublineage AY.4.2, which is currently expanding in the UK, and have found that it neither contains any potential for increased cell entry nor antibody escape. // 10.1.2022

Researchers investigate the spread and transmission ability of SARS-CoV-2 lineages B.1.619 and B.1.620 in South Korea. // 9.1.2022

Researchers demonstrate that the SARS-CoV-2 Omicron variant grows rapidly in human primary nasal epithelial cultures. // 9.1.2022

Researchers investigate SARS-CoV-2 antigenic drift by evaluating the neutralizing activity of sera from patients infected with all five SARS-CoV-2 VOCs. // 6.1.2022

A new research paper posted as a preprint to the bioRxiv* server attempts to throw some light on this question by studying viral pathogenicity in golden hamsters, a valuable model for severe COVID-19 due to the development of reproducible weight loss and pneumonia after infection with the virus. // 6.1.2022

Discovered around the same time as Omicron, it hasn't had as much of an impact // 5.1.2022

Researchers use statistical models to assess the transmission of the SARS-CoV-2 Omicron using variant-specific screening tests and genome sequencing. // 5.1.2022

Researchers estimate the probabilities of hospitalization and mortality from COVID-19 according to individual risk factors and number of vaccine doses. // 5.1.2022

Researchers investigate the household transmission of the Omicron VOC and increased immune evasiveness of both the Omicron and Delta variants // 5.1.2022

A new research letter assessed patients hospitalized with a positive SARS-CoV-2 test during the fourth wave compared to the previous waves. // 4.1.2022

The advent of the B.1.1.529 (Omicron) severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) variant, detected initially in Botswana and South Africa and now found in over 135 countries as of January 3, 2022, has sparked fears of a new global wave of infections and hospitalizations // 3.1.2022

Researchers investigate the ability of immunity acquired from SARS-CoV-2 wild-type infection to protect against the Omicron variant in Syrian hamster models. // 3.1.2022