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Studies provide insights into characteristics and clinical effect of SARS-CoV-2 B.1.1.7 variant


Studies provide insights into characteristics and clinical effect of SARS-CoV-2 B.1.1.7 variant
Two new studies, published in
The Lancet Infectious Diseases and
The Lancet Public Health, found no evidence that people with the B.1.1.7. variant experience worse symptoms or a heightened risk of developing long COVID compared with those infected with a different COVID-19 strain. However, viral load and R number were higher for B.1.1.7., adding to growing evidence that it is more transmissible than the first strain detected in Wuhan, China, in December 2019.
The emergence of variants has raised concerns that they could spread more easily and be more deadly, and that vaccines developed based on the original strain might be less effective against them. Preliminary data on B.1.1.7. indicates that it is more transmissible, with some evidence suggesting it could also be associated with increased hospitalisations and deaths. However, because the variant was identified only ....

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B.1.1.7 coronavirus variant more transmissible but does not increase disease severity, two new studies suggest


B.1.1.7 coronavirus variant more transmissible but does not increase disease severity, two new studies suggest
CNN
18 hrs ago
By Jacqueline Howard, CNN
© Christophe Archambault/AFP/Getty Images
Laboratory technicians wearing protective equipment work on the genome sequencing of the SARS-CoV-2 virus (Covid-19) and its variants at the Centre National de Reference (CNR - National Reference Centre) of respiratory infections viruses of the Pasteur Institute in Paris on January 21, 2021. (Photo by Christophe ARCHAMBAULT / AFP) (Photo by CHRISTOPHE ARCHAMBAULT/AFP via Getty Images)
Two new studies suggest that the B.1.1.7 coronavirus variant, which was first identified in the United Kingdom, is more transmissible, but the variant does not appear to impact disease severity. ....

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UK variant more transmissible, but does not increase Covid severity: Lancet studies


914
New Delhi, April 13
The novel coronavirus variant first identified in the UK is not associated with more severe illness and death, but appears to lead to higher viral load which makes it more transmissible, suggests an observational study.
The study of patients in London hospitals is consistent with emerging evidence that this lineage is more transmissible than the original COVID-19 strain.
A separate observational study using data logged by 37,000 UK users of a self-reporting COVID-19 symptom app found no evidence that the B.1.1.7. variant altered symptoms or likelihood of experiencing long COVID.
Authors of both studies acknowledge that these findings differ from some other studies exploring the severity of the B.1.1.7. variant and call for more research and ongoing monitoring of COVID-19 variants. ....

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