COVID-19 (Coronavirus Disease 2019)
Educational information. Individual clinical review of this presentation by Dr. Ehsan is not yet documented. It does not replace personal medical evaluation.
Source: MedlinePlus, National Library of Medicine. Read the original source
MedlinePlus data edition September 26, 2026. Imported September 27, 2026. These dates do not indicate a new clinical review of the article.
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, tests and care options
Further reading selected by MedlinePlus. Links open the original organizations’ websites.
- COVID-19 Symptoms and Complementary Approaches: What You Need To Know · National Center for Complementary and Integrative Health
- COVID-19 Testing: MedlinePlus Health Topic · National Library of Medicine
- Know Your Treatment Options for COVID-19 · Food and Drug Administration
- Post-COVID Conditions (Long COVID): MedlinePlus Health Topic · National Library of Medicine
- Symptoms of COVID-19 · Centers for Disease Control and Prevention
- Treatment Locator: Find COVID-19 Medications · Administration for Strategic Preparedness and Response
Questions for your care team
General prompts to help prepare for your appointment.
- How does this information apply to my situation?
- Which symptoms or results need evaluation?
- Which tests are useful, and what can they tell us?
- What care options, benefits, and risks should we discuss?
- When should I seek urgent help, and whom should I call?
- When is follow-up, and how will we know whether the plan is working?
For a life-threatening emergency, call 911 in the U.S. or your local emergency number.
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