Coronavirus - Wikipedia
网页Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal.
Coronaviruses | NIAID: National Institute of Allergy and Infectious ...
网页2024年7月1日 · Coronaviruses are a large family of viruses that usually cause mild to moderate upper-respiratory tract illnesses in humans. However, three coronaviruses have caused more serious and fatal disease in people: SARS coronavirus (SARS-CoV), which emerged in November 2002 and causes severe acute respiratory syndrome (SARS); MERS coronavirus (MERS ...
What Is Coronavirus? - Johns Hopkins Medicine
网页2022年7月29日 · COVID-19 is the disease caused by SARS-CoV-2, the coronavirus that emerged in December 2019. COVID-19 can be severe, and has caused millions of deaths around the world as well as lasting health problems in some who have survived the illness.
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 …
2019冠状病毒病 - 维基百科，自由的百科全书
网页2019冠状病毒病（英語： Coronavirus disease 2019 ，缩写：COVID-19 [17] [18] ），是一種由嚴重急性呼吸系統綜合症冠狀病毒2型（縮寫：SARS-CoV-2）引發的傳染病，导致了一场持续的疫情，成为人類歷史上致死人數最多的流行病之一。
Coronavirus disease (COVID-19) - World Health Organization …
网页6 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. Older people and those with underlying medical ...
Coronavirus disease (COVID-19) - World Health Organization …
网页2023年8月9日 · COVID-19 is the disease caused by the SARS-CoV-2 coronavirus. It usually spreads between people in close contact. COVID-19 vaccines provide strong protection against severe illness and death. Although a person can still get COVID-19 after vaccination, they are more likely to have mild or no symptoms.
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. Find links to guidance and information on all topics related to COVID-19, including the …
Coronavirus disease (COVID-19) - World Health Organization …
网页Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Coronavirus in the U.S.: Latest Map and Case Count
网页Track Covid-19 in your area, and get the latest state and county data on cases, deaths, hospitalizations, tests and vaccinations.
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