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Why Covid-19 Is Deadlier for Males

Dana G Smith
Elemental
Published in
8 min readJan 25, 2021

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Photo illustration source: Josep Gutierrez/Getty Images

People whose sex is male have a greater risk of developing severe Covid-19 infections and ultimately dying from the disease. Not only is that a trend doctors have observed since the beginning of the pandemic, it’s also the finding of a recent study that pooled data from over 3 million people from 47 countries. The paper, published in December in the journal Nature Communications, found that males were 2.84 times more likely to be admitted to the intensive care unit and 1.39 times more likely to die from Covid-19 than females. Notably, males and females had similar rates of infection with SARS-CoV-2, so the differences didn’t stem from men’s greater exposure to the virus but more serious outcomes once they were infected.

“When I see those kinds of epidemiological data that cut across countries, that cut across societal cultural norms, and within countries are cutting across age, that’s when I think there’s something biological going on,” says Sabra Klein, PhD, a professor at the Johns Hopkins Bloomberg School of Public Health.

The question is, what?

T cells and cytokines

One potential answer involves the body’s immune response.

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Elemental
Elemental

Published in Elemental

Elemental is a former publication from Medium for science-backed health and wellness coverage. Currently inactive and not taking submissions.

Dana G Smith
Dana G Smith

Written by Dana G Smith

Health and science writer • PhD in 🧠 • Words in Scientific American, STAT, The Atlantic, The Guardian • Award-winning Covid-19 coverage for Elemental

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