COVID-19 (Coronavirus Disease 2019) (original) (raw)

Also called: Coronavirus, COVID-19

On this page

Basics

• Summary
• Start Here
• Symptoms
• Diagnosis and Tests
• Prevention and Risk Factors
• Treatments and Therapies

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• Related Issues
• Specifics

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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:

• COVID-19 testing

• COVID-19 vaccines

• Post-COVID conditions (long COVID)

• COVID-19 Testing: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish

• Community Respirators and Masks (Centers for Disease Control and Prevention)

• COVID-19 Vaccines: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish

• COVID-19: How to Protect Yourself and Others (Centers for Disease Control and Prevention)

• How COVID-19 Spreads (Centers for Disease Control and Prevention)

• People with Certain Medical Conditions and COVID-19 Risk Factors (Centers for Disease Control and Prevention)

• Preventing Respiratory Viruses (Centers for Disease Control and Prevention)

• Preventing Spread of Respiratory Viruses When You're Sick (Centers for Disease Control and Prevention)

• Risk Factors for Severe Illness from Respiratory Viruses (Centers for Disease Control and Prevention)

• About Reinfection Covid-19 (Centers for Disease Control and Prevention)

• National Institute of Allergy and Infectious Diseases

• People at Increased Risk for Severe Respiratory Illnesses (Centers for Disease Control and Prevention) Also in Spanish