URL of this page: https://medlineplus.gov/covid19coronavirusdisease2019.html

COVID-19 (Coronavirus Disease 2019)

Also called: Coronavirus, COVID-19


COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a new coronavirus that has spread throughout the world. It is thought to spread mainly through close contact from person-to-person. On this page, you'll find links to resources on important issues such as symptoms, risks, and how you can protect yourself and your family.

We also have pages on COVID-19 testing and the vaccines that are being developed.

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Diagnosis and Tests

Prevention and Risk Factors

Treatments and Therapies

Related Issues

Statistics and Research

Clinical Trials



Older Adults

Patient Handouts