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Study links blood cell mutations to increased infection risk with age
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Study links blood cell mutations to increased infection risk with age

by Allessandra Dicorato,  Broad Institute of MIT and Harvard Credit: Susanna Hamilton, Broad Communications New research suggests age-related changes in blood cell chromosomes are a marker of impaired immunity. A person’s risk of severe infections increases dramatically as they grow older, but scientists do not yet understand how age might be linked to weakened immunity. Now, research shows...

Prior COVID-19 infection reduces infection risk for up to 10 months
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Prior COVID-19 infection reduces infection risk for up to 10 months

by  University College London A colorized scanning electron micrograph of the SARS-CoV-2 virus. Credit: NIAID The risk of being infected with SARS-CoV-2, the virus that causes COVID-19, is substantially reduced for up to 10 months following a first infection, according to new findings from the Vivaldi study led by UCL researchers. For the study, published in Lancet...