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  1. SARS-CoV-2 - Wikipedia

    Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) [2] is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. [3] The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), [4] [5] [6] [7] and has also been called human coronavirus 2019 (HCoV-19 or ...

  2. Coronavirus disease (COVID-19) - World Health Organization

    Mar 17, 2025 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.

  3. COVID-19 - Wikipedia

    Coronavirus disease 2019 (COVID-19, also known as SARS-2) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic.

  4. Coronavirus disease 2019 (COVID-19) - Symptoms and causes

    COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020.

  5. Coronavirus Disease 2019 (COVID-19) | COVID-19 | CDC

    COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly.

  6. Symptoms of COVID-19 | COVID-19 | CDC - Centers for Disease …

    Mar 10, 2025 · People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Symptoms may start as mild, and some people will progress to more severe symptoms.

  7. Coronavirus disease (COVID-19): How is it transmitted?

    We know that the disease is caused by the SARS-CoV-2 virus, which spreads between people in several different ways. Current evidence suggests that the virus spreads mainly between people who are in close contact with each other, for example at a conversational distance.

  8. Coronavirus Disease (COVID-19): Symptoms & Treatment - Cleveland Clinic

    Feb 28, 2025 · COVID-19 is an illness caused by the SARS-CoV-2 virus. It spreads through respiratory droplets. Symptoms include fever, cough, shortness of breath, runny or stuffy nose, body aches and more.

  9. COVID-19 | Cause, Symptoms, Treatment, & Prevention | Britannica

    1 day ago · COVID-19 is caused by the coronavirus known as SARS-CoV-2. There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.

  10. Features, Evaluation, and Treatment of Coronavirus (COVID-19)

    Aug 18, 2023 · Coronavirus disease 2019 (COVID-19) is a highly contagious viral illness caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 has had a catastrophic effect on the world, resulting in more than 6 million deaths worldwide.

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