COVID-19 (Coronavirus Disease 2019)

Also called: Coronavirus, COVID-19

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Basics

Summary
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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:

Start Here

Community Engagement Alliance (CEAL) Against COVID-19 Disparities (National Institutes of Health)
Coronavirus Disease 2019 (COVID-19) (Centers for Disease Control and Prevention)
NIH COVID-19 Research (National Institutes of Health)

Symptoms

Coronavirus and the Nervous System (National Institute of Neurological Disorders and Stroke)
Post-COVID Conditions (Long COVID): MedlinePlus Health Topic (National Library of Medicine) Also in Spanish
Symptoms of COVID-19 (Centers for Disease Control and Prevention) Also in Spanish

Diagnosis and Tests

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

Prevention and Risk Factors

Coronavirus Clinical Studies (COVID-19 Prevention Network) Also in Spanish
COVID-19 by County: Know Your COVID-19 Community Level (Centers for Disease Control and Prevention) Also in Spanish
COVID-19 Vaccines: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish
COVID-19: How to Protect Yourself & Others (Centers for Disease Control and Prevention) Also in Spanish
COVID-19: Understanding Risk (Centers for Disease Control and Prevention) Also in Spanish
How COVID-19 Spreads (Centers for Disease Control and Prevention) Also in Spanish
Isolation and Precautions for People with COVID-19 (Centers for Disease Control and Prevention)
Use and Care of Masks (Centers for Disease Control and Prevention) Also in Spanish

Treatments and Therapies

COVID-19 Treatments and Medications (Centers for Disease Control and Prevention) Also in Spanish
Get Medication for COVID-19 (Locator) (Administration for Strategic Preparedness and Response) Also in Spanish
How Test to Treat Works for Individuals and Families (Administration for Strategic Preparedness and Response)
If You Are Sick or Caring for Someone (COVID-19) (Centers for Disease Control and Prevention) Also in Spanish
Know Your Treatment Options for COVID-19 (Food and Drug Administration) Also in Spanish
Understanding the Regulatory Terminology of Potential Preventative and Therapeutic Drugs for COVID-19 (Food and Drug Administration) Also in Spanish

Related Issues

Beware of Fraudulent Coronavirus Tests, Vaccines, and Treatments (Food and Drug Administration) Also in Spanish
Communicating Clearly While Wearing a Face Covering (National Institutes of Health) Also in Spanish
Coronavirus and Your Health Coverage: Get the Basics (Centers for Medicare & Medicaid Services) - PDF Also in Spanish
COVID-19 and Breastfeeding (Centers for Disease Control and Prevention)
COVID-19: Variants of the Virus (Centers for Disease Control and Prevention) Also in Spanish
COVID-19: What People with Cancer Should Know (National Cancer Institute) Also in Spanish
Debunking COVID-19 (Coronavirus) Myths (Mayo Foundation for Medical Education and Research) Also in Spanish
Guidance for COVID-19 and People with HIV (HIV.gov; National Institutes of Health, Office of AIDS Research)
HIV and COVID-19 (National Institutes of Health, Office of AIDS Research) Also in Spanish
Is It Flu, COVID-19, Allergies, or a Cold? (National Institutes of Health) Also in Spanish
Multisystem Inflammatory Syndrome in Children (MIS-C) and Adults (MIS-A) (Centers for Disease Control and Prevention)
Pulse Oximetry (National Library of Medicine) Also in Spanish
Q&A for Consumers: Hand Sanitizers and COVID-19 (Food and Drug Administration) Also in Spanish
Why You Should Not Use Ivermectin to Treat or Prevent COVID-19 (Food and Drug Administration) Also in Spanish

Specifics

What Is COVID-19 Reinfection? (Centers for Disease Control and Prevention) Also in Spanish

Statistics and Research

COVID-19 Disrupts Gut Microbes (National Institutes of Health) Also in Spanish
Mandatory Masking in Schools Reduced COVID-19 Cases (National Institutes of Health) Also in Spanish
United States COVID-19 Cases and Deaths by State (Centers for Disease Control and Prevention)

Clinical Trials

Understanding Coronavirus Clinical Studies (COVID-19 Prevention Network) Also in Spanish

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

Find an Expert

National Institute of Allergy and Infectious Diseases

Children

Coronavirus (COVID-19) (For Parents) (Nemours Foundation) Also in Spanish
Coronavirus (COVID-19): What Are Variants? (For Parents) (Nemours Foundation) Also in Spanish
Coronavirus (COVID-19): What to Do If Your Child Is Sick (Nemours Foundation) Also in Spanish
For Parents: Multisystem Inflammatory Syndrome in Children (MIS-C) Associated with COVID-19 (Centers for Disease Control and Prevention)
Is It a Cold, the Flu, or COVID-19? (For Parents) (Nemours Foundation) Also in Spanish

Women

Coronavirus (COVID-19): Pregnancy FAQs (Nemours Foundation) Also in Spanish
Pregnant and Recently Pregnant People (COVID-19) (Centers for Disease Control and Prevention) Also in Spanish

Older Adults

COVID-19 Risks and Information for Older Adults (Centers for Disease Control and Prevention)

Patient Handouts

COVID-19 and face masks (Medical Encyclopedia) Also in Spanish
Home isolation and COVID-19 (Medical Encyclopedia) Also in Spanish
How to stop the spread of COVID-19 (Medical Encyclopedia) Also in Spanish
Mild to moderate COVID-19 - discharge (Medical Encyclopedia) Also in Spanish
Severe COVID-19 - discharge (Medical Encyclopedia) Also in Spanish
What to do after exposure to COVID-19 (Medical Encyclopedia) Also in Spanish