Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

COVID-19 (Coronavirus Disease 2019)

Also called: Coronavirus, COVID-19

Summary

COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a coronavirus called SARS-CoV-2. It spreads when a person who has the infection breathes out droplets and very small particles that contain the virus. 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:

Start Here

Symptoms

Diagnosis and Tests

Prevention and Risk Factors

Treatments and Therapies

Related Issues

Specifics

Statistics and Research

Clinical Trials

Women

Older Adults

Patient Handouts

The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.