[HTML][HTML] Emerging SARS-CoV-2 variants of concern (VOCs): an impending global crisis

AYK Thye, JWF Law, P Pusparajah, V Letchumanan… - Biomedicines, 2021 - mdpi.com
The worldwide battle against the SARS-CoV-2 virus rages on, with millions infected and
many innocent lives lost. The causative organism, severe acute respiratory syndrome …

[HTML][HTML] Clinical characteristics, transmissibility, pathogenicity, susceptible populations, and re-infectivity of prominent COVID-19 variants

Z Yang, S Zhang, YP Tang, S Zhang, DQ Xu… - Aging and …, 2022 - ncbi.nlm.nih.gov
In addition to the rapid, global spread of SARS-CoV-2, new and comparatively more
contagious variants are of considerable concern. These emerging mutations have become a …

Genomics and epidemiology of the P. 1 SARS-CoV-2 lineage in Manaus, Brazil

NR Faria, TA Mellan, C Whittaker, IM Claro… - Science, 2021 - science.org
Cases of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in
Manaus, Brazil, resurged in late 2020 despite previously high levels of infection. Genome …

Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study

OT Ranzani, MDT Hitchings, M Dorion, TL D'Agostini… - bmj, 2021 - bmj.com
Objective To estimate the effectiveness of the inactivated whole virus vaccine, CoronaVac
(Sinovac Biotech), against symptomatic covid-19 in the elderly population of São Paulo …

[HTML][HTML] Effectiveness of CoronaVac among healthcare workers in the setting of high SARS-CoV-2 Gamma variant transmission in Manaus, Brazil: A test-negative …

MDT Hitchings, OT Ranzani, MSS Torres… - The Lancet Regional …, 2021 - thelancet.com
Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant,
Gamma, emerged in the city of Manaus in late 2020 during a large resurgence of …

[HTML][HTML] Quantifying the relationship between SARS-CoV-2 viral load and infectiousness

A Marc, M Kerioui, F Blanquart, J Bertrand, O Mitja… - Elife, 2021 - elifesciences.org
The relationship between SARS-CoV-2 viral load and infectiousness is poorly known. Using
data from a cohort of cases and high-risk contacts, we reconstructed viral load at the time of …

[HTML][HTML] Model-based estimation of transmissibility and reinfection of SARS-CoV-2 P. 1 variant

RM Coutinho, FMD Marquitti, LS Ferreira… - Communications …, 2021 - nature.com
Abstract Background The SARS-CoV-2 variant of concern (VOC) P. 1 (Gamma variant)
emerged in the Amazonas State, Brazil, in November 2020. The epidemiological …

COVID-19 endgame: From pandemic to endemic? Vaccination, reopening and evolution in low-and high-vaccinated populations

EB Are, Y Song, JE Stockdale, P Tupper… - Journal of Theoretical …, 2023 - Elsevier
COVID-19 remains a major public health concern, with large resurgences even where there
has been widespread uptake of vaccines. Waning immunity and the emergence of new …

Multiplex SARS-CoV-2 genotyping reverse transcriptase PCR for population-level variant screening and epidemiologic surveillance

H Wang, JA Miller, M Verghese, M Sibai… - Journal of clinical …, 2021 - Am Soc Microbiol
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants
with concerning phenotypic mutations is of public health interest. Genomic surveillance is an …

[HTML][HTML] The emergence of novel SARS-CoV-2 variant P. 1 in Amazonas (Brazil) was temporally associated with a change in the age and sex profile of COVID-19 …

ARR Freitas, OA Beckedorff… - The Lancet Regional …, 2021 - thelancet.com
Background Since the end of 2020, there has been a great deal of international concern
about the variants of SARS-COV-2 B. 1.1. 7, identified in the United Kingdom; B. 1.351 …