The Science Behind Long COVID, Visualized

symptom of long COVID

There’s a lot we still don’t know about long COVID — what causes it, why some people suffer from it and not others, and why it affects the brain, nervous system, gastrointestinal system and more.

Sam McIntyre — @sammc413 on Twitter — created this infographic based on the research available so far after he himself struggled with long COVID.

Key details:

  • 10–30 percent of adults will experience some form of long COVID after infection. For children, a recent meta-analysis suggested a prevalence of 25.4 percent.
  • Evidence suggests multiple infections can increase an individual’s risk of long COVID.
  • Seventy-six percent of cases of long COVID happen after a mild COVID infection.
  • A common and persistent symptom of long COVID is cognitive impairment. A few factors that contribute to this have been identified: reduced bloodflow and elevated neural immune activity can affect cognition, and there are a series of symptoms (sustained microglial reactivity and CCL11 elevation) that create an effect similar to what chemo patients experience that we call “brain fog.”

Source: https://digg.com/coronavirus/link/the-science-behind-long-covid-visualized-QkAN7dttip

Image Source: https://www.freepik.com/free-photo/doctor-tired-after-long-day-work_11080812.htm#query=long%20covid&position=0&from_view=search

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