Science & technology | Covid-19

When covid-19 becomes a chronic illness

Scientists are investigating why some people suffer with the virus for many months

Editor’s note: Some of our covid-19 coverage is free for readers of The Economist Today, our daily newsletter. For more stories and our pandemic tracker, see our hub

This article appeared in the Science & technology section of the print edition under the headline “Lingering fog”

The aliens among us: How viruses shape the world

From the August 22nd 2020 edition

Discover stories from this section and more in the list of contents

Explore the edition

More from Science & technology

A person blowing about a pattern in the shape of a brain

Can you breathe stress away?

It won’t hurt to try. But scientists are only beginning to understand the links between the breath and the mind

The Economist’s science and technology internship

We invite applications for the 2025 Richard Casement internship


A man sits inside a pixelated pink brain while examining a clipboard, with colored squares falling from the brain

A better understanding of Huntington’s disease brings hope

Previous research seems to have misinterpreted what is going on


Is obesity a disease?

It wasn’t. But it is now

Volunteers with Down’s syndrome could help find Alzheimer’s drugs

Those with the syndrome have more of a protein implicated in dementia

Should you start lifting weights?

You’ll stay healthier for longer if you’re strong