Coronavirus disease 2019 (COVID-19) - Symptoms and causes
网页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 …
Symptoms of COVID-19 | COVID-19 | CDC - Centers for Disease …
网页2024年6月25日 · 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 (COVID-19): Symptoms, Transmission, Treatment and …
网页2024年7月26日 · COVID-19 stands for coronavirus disease 2019. Here’s what to know about transmission, treatment, and prevention in 2024. In 2019, COVID-19 began generating headlines worldwide because of its...
Coronavirus Symptoms: Early Signs, Serious Symptoms - WebMD
网页2023年11月10日 · COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have mild...
COVID-19 - Wikipedia
网页Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2.The first known case was identified in Wuhan, China, in December 2019. [7] Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and consistent with other pandemics in human history.
CDC COVID Data Tracker - Centers for Disease Control and …
网页COVID-19 Data Basics. Stay up to date on the most recent and detailed data for hospitalizations, deaths, emergency department visits, and vaccinations. Hospitalizations. Deaths. Emergency Department Visits. Vaccination Distribution & …
Coronavirus disease (COVID-19) - World Health Organization …
网页4 天之前 · 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.
Coronavirus Disease 2019 (COVID-19) | COVID-19 | CDC
网页COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly. View All. For Everyone. View all. Find links to guidance and information on all topics related to COVID-19, including the …
COVID-19 cases | WHO COVID-19 dashboard
网页2023年7月22日 · WHO COVID-19 Dashboard is updated every Friday for the period of two weeks prior. Counts primarily reflect laboratory-confirmed cases and deaths, based upon WHO case definitions; although some departures may exist due to local adaptations. Counts include both domestic and repatriated cases.
Coronavirus disease (COVID-19) - World Health Organization …
网页2023年3月28日 · What is COVID-19? What are the symptoms of COVID-19? What happens to people who get COVID-19? Who is most at risk of severe illness from COVID-19? Are there long-term effects of COVID-19? How can we protect others and ourselves if we don't know who is infected? When should I get a test for COVID-19? What test should I get to see if I have COVID-19?
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