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Artículos sobre COVID-19

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I’m at home with COVID. When do I need to see a doctor? And what treatments are available?

Most people with COVID will recover at home without any treatment. But some people who are at risk of severe disease could benefit from new medicines to reduce the chance of the disease progressing.
A new brain-imaging study finds that participants who had even mild COVID-19 showed an average reduction in whole brain sizes. Kirstypargeter/iStock via Getty Images Plus

Even mild cases of COVID-19 can leave a mark on the brain, such as reductions in gray matter – a neuroscientist explains emerging research

New research offers insights into the brain after COVID-19 that may have implications for our understanding of long COVID-19 and how the disease affects our senses of taste and smell.
The CDC’s new recommendations have caused consternation among the public, the media and even among doctors. Justin Paget/DigitalVision via Getty Images

Clarifying the CDC’s COVID-19 quarantine and isolation guidelines – an infectious disease doc looks at the latest research

The CDC’s controversial recommendation changes are based on new studies showing that most omicron transmission takes place within five days of the onset of illness.

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