A genetic analysis hints at why COVID-19 can mess with smell

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A genetic analysis hints at why COVID-19 can mess with smell
France Dernières Nouvelles,France Actualités
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Understanding how the virus snuffs out sniffing ability could help researchers find ways to bring it back.

For many people, one of the fastest tip-offs that they have COVID-19 is the loss of taste or smell. Now researchers have pinpointed some genetic variants in people that may make it more likely that the coronavirus might rob them of these senses.

A study of nearly 70,000 adults with COVID-19 found that individuals with certain genetic tweaks on chromosome 4 were. The data come from people who’d had their DNA analyzed by genetic testing company 23andMe and self-reported a case of COVID-19., that help people smell reside in the region of chromosome 4 linked to sensory loss during infection, epidemiologist Janie Shelton of 23andMe and colleagues found.

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