They're living with an invisible illness. Social distancing will save their lives

While there's concern for the elderly catching coronavirus, there's another high-risk group that has nothing to do with age.

Some of them are young and most of them may not look sick at all. Millions of them are living with a compromised immune system.

It's estimated that about 3% of the adult US population is immunosuppressed.That's roughly 7 million people living with a weakened immune system today.

Some of them have a disease that's weakened their immune systems. Others are taking immunosuppressants for cancer or organ transplants. They may not look sick, but they have an invisible disease

Getting coronavirus could be fatal

Courtney Hodge is religious about cleaning everything she's touched because anything could affect her diminished respiratory function.

The 37-year-old has asthma and several autoimmune disorders such as Graves' disease, fibromyalgia and chronic fatigue syndrome. She gets sick easily, she said.

"It's being hypervigilant over everything that I touch because you don't know who else has touched it," Hodge said. Read More