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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:
Symptoms
- COVID-19 and the Nervous System (National Institute of Neurological Disorders and Stroke)
- COVID-19 Guidance for the Public (National Heart, Lung, and Blood Institute)
- 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
- Community Respirators and Masks (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 and Others (Centers for Disease Control and Prevention) Also in Spanish
- COVID-19: People with Certain Medical Conditions (Centers for Disease Control and Prevention) Also in Spanish
- How COVID-19 Spreads (Centers for Disease Control and Prevention) Also in Spanish
- Preventing Respiratory Viruses (Centers for Disease Control and Prevention) Also in Spanish
- 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) Also in Spanish
Treatments and Therapies
- Coronavirus and "Alternative" Treatments: What You Need to Know (National Center for Complementary and Integrative Health)
- COVID-19 Treatment and Preventive Medication (Centers for Disease Control and Prevention) Also in Spanish
- COVID-19 Treatment Information for Patients (Administration for Strategic Preparedness and Response)
- How Test to Treat Works for Individuals and Families (Administration for Strategic Preparedness and Response)
- Know Your Treatment Options for COVID-19 (Food and Drug Administration) Also in Spanish
- Treatment Locator: Find COVID-19 Medications (Administration for Strategic Preparedness and Response) 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
- About MIS (Multisystem Inflammatory Syndrome) (Centers for Disease Control and Prevention)
- Beware of Fraudulent Coronavirus Tests, Vaccines, and Treatments (Food and Drug Administration) 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 and Special Considerations in People with HIV (National Institutes of Health)
- 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
- 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
- Ivermectin and COVID-19 (Food and Drug Administration) Also in Spanish
- 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
- Respiratory Viruses and People with Disabilities (Centers for Disease Control and Prevention)
Specifics
- What Is COVID-19 Reinfection? (Centers for Disease Control and Prevention) Also in Spanish
Statistics and Research
- United States COVID-19 Deaths, Emergency Department (ED) Visits, and Test Positivity by Geographic Area (Centers for Disease Control and Prevention)
Clinical Trials
- Joining a Study (COVID-19 Prevention Network)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Diaphragmatic strengthening exercises for patients with post COVID-19 condition after mild-to-moderate...
- Article: The safety, immunogenicity, and efficacy of heterologous boosting with a SARS-CoV-2...
- Article: Seasonal human coronavirus humoral responses in AZD1222 (ChaAdOx1 nCoV-19) COVID-19 vaccinated...
- COVID-19 (Coronavirus Disease 2019) -- see more articles
Find an Expert
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, an RSV Infection, or COVID-19? (For Parents) (Nemours Foundation) Also in Spanish
Women
- Coronavirus (COVID-19): Pregnancy FAQs (Nemours Foundation) Also in Spanish
- Respiratory Viruses and Pregnancy (Centers for Disease Control and Prevention) Also in Spanish
Older Adults
- Respiratory Viruses and Older Adults (Centers for Disease Control and Prevention) Also in Spanish
Patient Handouts
- COVID-19 - what to do when you are sick (Medical Encyclopedia) Also in Spanish
- COVID-19 and face masks (Medical Encyclopedia) Also in Spanish
- How to protect yourself and others from 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