COVID & BRAIN damage—half of patients report neurological symptoms, including headaches, confusion and delirium. A new study offers the first clear evidence that, in some people, the coronavirus invades brain cells. 🧵 #COVID19 https://www.nytimes.com/2020/09/09/health/coronavirus-brain.html
2) #SARSCoV2 seems to suck up all of the oxygen nearby, starving neighboring cells to death. It’s unclear how virus gets to the brain or how often it sets off this trail of destruction.
“If the brain does become infected, it could have a lethal consequence” says @VirusesImmunity.
3) “In the new study, Dr. Iwasaki and her colleagues documented brain infection in three ways: in brain tissue from a person who died of Covid-19, in a mouse model and in organoids — clusters of brain cells in a lab dish meant to mimic the brain’s three-dimensional structure.”
4) “Other pathogens — including the Zika virus — are known to infect brain cells. Immune cells then flood the damaged sites, trying to cleanse the brain by destroying infected cells.”
5) “The coronavirus is much stealthier: It exploits the brain cells’ machinery to multiply, but doesn’t destroy them. Instead, it chokes off oxygen to adjacent cells, causing them to wither and die.”
6) “The researchers didn’t find any evidence of an immune response to remedy this problem. “It’s kind of a silent infection,” Dr. Iwasaki said. “This virus has a lot of evasion mechanisms.”
You can follow @DrEricDing.
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