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Articles on Immune system

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What would Darwin consider the best adaptation to protect against the coronavirus? rolbos / Getty Images

What does ‘survival of the fittest’ mean in the coronavirus pandemic? Look to the immune system

Who is most likely to survive an infection of the new coronavirus? Two immunologists explain that it is those who mount exactly the right immune response – not too weak, not too strong.
A woman with diabetes monitors her glycemia on the eighth day of a strict lockdown in France aimed at curbing the spread of COVID-19. FRANCK FIFE/AFP via Getty Images

Blood sugar levels may influence vulnerability to coronavirus, and controlling them through conventional means might be protective

What does high blood sugar have to do with vulnerability to COVID-19? And is there a role for the controversial drug hydroxychloroquine in lowering blood sugar in COVID-19 patients?
SARS-CoV-2 virus particles (pink dots) on a dying cell. National Institute of Allergy and Infectious Diseases, NIH

What the coronavirus does to your body that makes it so deadly

The new coronavirus, SARS-CoV-2, spreads faster than the H1N1 influenza virus and is much deadlier. SARS-CoV-2 is particularly skilled at keeping cells from calling out for help.
This scanning electron microscope image shows SARS-CoV-2 (round blue objects) emerging from the surface of cells cultured in the lab. NIAID-RML

Coronavirus: A new type of vaccine using RNA could help defeat COVID-19

Traditional vaccines can take years to create. Rather than immunizing people with viral proteins, the new approach gives the molecular instructions that allows the body to make its own vaccine.
Stress about the coronavirus pandemic can actually increase your risk of infection, but exercise can alleviate the immune system’s stress response. Above, a lone jogger in Ottawa, on March 17, 2020. THE CANADIAN PRESS/Adrian Wyld

Anxiety about coronavirus can increase the risk of infection — but exercise can help

The immune system can respond to stress in ways that harm health. But there’s a stress-buster that can help keep you calm and healthy: exercise.

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