Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa

R Viana, S Moyo, DG Amoako, H Tegally, C Scheepers… - Nature, 2022 - nature.com
The SARS-CoV-2 epidemic in southern Africa has been characterized by three distinct
waves. The first was associated with a mix of SARS-CoV-2 lineages, while the second and …

Dynamics of competing SARS-CoV-2 variants during the Omicron epidemic in England

O Eales, L de Oliveira Martins, AJ Page, H Wang… - Nature …, 2022 - nature.com
The SARS-CoV-2 pandemic has been characterised by the regular emergence of genomic
variants. With natural and vaccine-induced population immunity at high levels, evolutionary …

[HTML][HTML] Key challenges for respiratory virus surveillance while transitioning out of acute phase of COVID-19 pandemic

O Eales, MJ Plank, BJ Cowling… - Emerging Infectious …, 2024 - ncbi.nlm.nih.gov
To support the ongoing management of viral respiratory diseases while transitioning out of
the acute phase of the COVID-19 pandemic, many countries are moving toward an …

Dominance of three sublineages of the SARS-CoV-2 Delta variant in Mexico

B Taboada, S Zárate, R García-López… - Viruses, 2022 - mdpi.com
In this study, we analyzed the sequences of SARS-CoV-2 isolates of the Delta variant in
Mexico, which has completely replaced other previously circulating variants in the country …

[HTML][HTML] S: D614G and S: H655Y are gateway mutations that act epistatically to promote SARS-CoV-2 variant fitness

L Yurkovetskiy, S Egri, C Kurhade, MA Diaz-Salinas… - bioRxiv, 2023 - ncbi.nlm.nih.gov
SARS-CoV-2 variants bearing complex combinations of mutations that confer increased
transmissibility, COVID-19 severity, and immune escape, were first detected after S: D614G …

Tracking the evolution of the SARS-CoV-2 Delta variant of concern: analysis of genetic diversity and selection across the whole viral genome

K Li, S Melnychuk, P Sandstrom, H Ji - Frontiers in Microbiology, 2023 - frontiersin.org
Background Since 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
has diversified extensively, producing five highly virulent lineages designated as variants of …

Spatiotemporal evolution of SARS-CoV-2 Alpha and Delta variants during large nationwide outbreak of COVID-19, Vietnam, 2021

NT Tam, NT Anh, TS Tung, PN Thach… - Emerging infectious …, 2023 - pmc.ncbi.nlm.nih.gov
We analyzed 1,303 SARS-CoV-2 whole-genome sequences from Vietnam, and found the
Alpha and Delta variants were responsible for a large nationwide outbreak of COVID-19 in …

Crisis communication in the WHO COVID-19 press conferences: A retrospective analysis

S He, D Li, CH Liu, Y Xiong, D Liu, J Feng, J Wen - Plos one, 2023 - journals.plos.org
Objectives The objective of this study is to investigate, from a longitudinal perspective, how
WHO communicated COVID-19 related information to the public through its press …

Hospitalization and mortality risk for COVID-19 cases with SARS-CoV-2 AY. 4.2 (VUI-21OCT-01) compared to non-AY. 4.2 delta variant sublineages

T Nyberg, K Harman, A Zaidi… - The Journal of …, 2022 - academic.oup.com
To investigate if the AY. 4.2 sublineage of the SARS-CoV-2 delta variant is associated with
hospitalization and mortality risks that differ from non-AY. 4.2 delta risks, we performed a …

Gonadal androgens are associated with decreased type I interferon production by plasmacytoid dendritic cells and increased IgG titres to BNT162b2 following co …

OL Sampson, C Jay, E Adland, A Csala, N Lim… - Frontiers in …, 2024 - frontiersin.org
mRNA vaccine technologies introduced following the SARS-CoV-2 pandemic have
highlighted the need to better understand the interaction of adjuvants and the early innate …