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Covid19: ¿qué preocupa más una variante letal o más contagiosa?
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Covid-19: ¿Debemos preocuparnos más por una variante letal que por una más contagiosa?
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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 recently, these
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