These underlying conditions make coronavirus more severe, and they're surprisingly common

A wide array of people are at risk, including those with high blood pressure and diabetes. Here's how they can prepare.

High blood pressure, diabetes, and cardiovascular disease are so commonplace that everyone reading these words likely knows somebody with at least one of these maladies.

They are also the “underlying conditions” most associated with severe cases of COVID-19, based on early clinical profiles on the disease. Even though 80 percent of COVID-19 cases are mild, these reports reveal that the novel coronavirus can endanger people other than the elderly and infirm.

The idea that the virus only poses a threat to older people comes from focusing too heavily on COVID-19’s death rate, which the World Health Organization updated last Wednesday to 3.4 percent. This rate is an average across ages, and the chances of dying do rise among older people.

But evidence also

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet