
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 ...
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.
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.
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.
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.
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.
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.
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.
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.
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.