Clinical update on COVID-19 for the emergency clinician: Presentation and evaluation

B Long, BM Carius, S Chavez, SY Liang… - The American journal of …, 2022 - Elsevier
Introduction Coronavirus disease of 2019 (COVID-19) has resulted in millions of cases
worldwide. As the pandemic has progressed, the understanding of this disease has evolved …

[HTML][HTML] The disease severity and clinical outcomes of the SARS-CoV-2 variants of concern

L Lin, Y Liu, X Tang, D He - Frontiers in public health, 2021 - frontiersin.org
With the continuation of the pandemic, many severe acute respiratory syndrome coronavirus
2 (SARS-CoV-2) variants have appeared around the world. Owing to a possible risk of …

Virological characteristics of the SARS-CoV-2 Omicron BA. 2 subvariants, including BA. 4 and BA. 5

I Kimura, D Yamasoba, T Tamura, N Nao, T Suzuki… - Cell, 2022 - cell.com
After the global spread of the SARS-CoV-2 Omicron BA. 2, some BA. 2 subvariants,
including BA. 2.9. 1, BA. 2.11, BA. 2.12. 1, BA. 4, and BA. 5, emerged in multiple countries …

The reproductive number of the Delta variant of SARS-CoV-2 is far higher compared to the ancestral SARS-CoV-2 virus

Y Liu, J Rocklöv - Journal of travel medicine, 2021 - academic.oup.com
The Delta variant is now replacing all other SARS-CoV-2 variants. We found a mean R 0 of
5.08, which is much higher than the R 0 of the ancestral strain of 2.79. Rapidly ramping up …

Public health impact of covid-19 vaccines in the US: observational study

AB Suthar, J Wang, V Seffren, RE Wiegand, S Griffing… - Bmj, 2022 - bmj.com
Objective To evaluate the impact of vaccine scale-up on population level covid-19 mortality
and incidence in the United States. Design Observational study. Setting US county level …

Evaluation of the relative virulence of novel SARS-CoV-2 variants: a retrospective cohort study in Ontario, Canada

DN Fisman, AR Tuite - Cmaj, 2021 - Can Med Assoc
Background: Between February and June 2021, the initial wild-type strains of SARS-CoV-2
were supplanted in Ontario, Canada, by new variants of concern (VOCs), first those with the …

[HTML][HTML] Generation time of the alpha and delta SARS-CoV-2 variants: an epidemiological analysis

WS Hart, E Miller, NJ Andrews, P Waight… - The Lancet Infectious …, 2022 - thelancet.com
Summary Background In May, 2021, the delta (B. 1.617. 2) SARS-CoV-2 variant became
dominant in the UK, superseded by the omicron (B. 1.1. 529) variant in December, 2021 …

[PDF][PDF] COVID-19 weekly epidemiological update, edition 43, 8 June 2021

World Health Organization - 2021 - apps.who.int
Global case and death incidences continued to decrease with over 3 million new weekly
cases and over 73 000 new deaths, a 15% and an 8% decrease respectively, compared to …

Coronavirus disease 2019 disease severity in children infected with the omicron variant

AA Butt, SR Dargham, S Loka, RM Shaik… - Clinical Infectious …, 2022 - academic.oup.com
Abstract Short Summary Severe acute respiratory syndrome coronavirus 2 infection from the
Omicron variant in children/adolescents is less severe than infection from the Delta variant …

[HTML][HTML] SARS-COV-2 variants: differences and potential of immune evasion

SM Hirabara, TDA Serdan, R Gorjao… - Frontiers in cellular …, 2022 - frontiersin.org
The structural spike (S) glycoprotein of severe acute respiratory syndrome coronavirus-2
(SARS-CoV-2) plays an essential role in infection and is an important target for neutralizing …