Coronavirus Might Attack the Brain, Too

Strange gets stranger as Covid-19 now appears to invade more than the respiratory and digestive systems

Robert Roy Britt
Elemental
Published in
4 min readApr 9, 2020

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Image: Jian Fan

EEarly analyses of Covid-19 patients in January told of the most common symptoms: fever, cough, and difficulty breathing. More diagnosed cases and research revealed less common symptoms, such as vomiting and diarrhea, indicating that in some people, the coronavirus was disrupting the digestive system, not just the respiratory tract.

By late February, we learned of mysterious cases involving no symptoms at all — silent super-spreaders of a deadly disease who didn’t even know they had it and felt nothing. Then, last month, things got stranger, as reports emerged of diagnosed Covid-19 cases in people who had lost their sense of smell yet showed few or no other symptoms of the disease. Along the way, physicians reported some people with Covid-19 experiencing mild cold- or flu-like symptoms, ranging from sniffles to fatigue.

And yet it’s still getting stranger. SARS‐CoV‐2, the coronavirus that causes Covid-19, appears to be attacking people’s brains.

It’s not yet clear how SARS-CoV-2 might be affecting the brain, but experience with other viruses, including the flu…

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Robert Roy Britt
Elemental

Editor of Wise & Well on Medium + the Writer's Guide at writersguide.substack.com. Author of Make Sleep Your Superpower: amazon.com/dp/B0BJBYFQCB