The SARS-CoV-2 Alpha (B.1.1.7) variant mutated to evade our 'innate immune system', helping establish it as the world's first 'Variant of Concern', finds a new study led by researchers at UCL and the Quantitative Biosciences ...
Dec 23, 2021
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A new statistical analysis supports beliefs that COVID-19 became more lethal in the U.K. in late 2020, while also suggesting that multiple factors—not just the alpha variant of the virus that causes COVID-19—were to blame. ...
Nov 24, 2021
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Scientists at the National Institutes of Health have found that a process in cells may limit infectivity of SARS-CoV-2, and that mutations in the alpha and delta variants overcome this effect, potentially boosting the virus's ...
Nov 5, 2021
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Results of a new study led by the University of Maryland School of Public Health show that people infected with the virus that causes COVID-19 exhale infectious virus in their breath—and those infected with the Alpha variant ...
Sep 16, 2021
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People infected with the SARS-CoV-2 delta variant have approximately double the risk of hospitalization compared with those infected with the alpha variant, a study of more than 40,000 cases from England between 29 March ...
Aug 28, 2021
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The rapid spread of the Alpha variant of COVID-19 resulted from biological changes in the virus and was enhanced by large numbers of infected people "exporting" the variant to multiple parts of the UK, in what the researchers ...
Jul 22, 2021
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The Delta variant of the coronavirus is estimated to be 40 percent more transmissible than the Alpha variant that caused the last wave of infections in the UK, Britain's health minister said Sunday.
Jun 6, 2021
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Throughout the pandemic, one of the biggest COVID risks has been sharing a house with someone who is infectious.
Sep 23, 2022
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If you get infected with COVID-19, the time from infection to possible onset of symptoms—the incubation period—is significantly shorter now than it was at the beginning of the pandemic, new research shows.
Aug 23, 2022
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The proportion of children with COVID-19-related croup was increased during the period of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron predominance compared with alpha or other variant- and delta-predominant ...
Jul 5, 2022
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