2025年3月17日 · 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, 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.

Learn how to protect yourself from COVID-19. Learn what you need to know about COVID-19 testing. Learn about the types of COVID-19 treatments, symptom management, and recovery. Information for healthcare workers about COVID-19. Guidance, tools, and resources for health departments to address COVID-19.

The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. Soon after, it spread to other areas of Asia, and then worldwide in early 2020.

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。 該病已知的 首名病人 2019年末於 中華人民共和國 湖北省 武漢市 [19][註 1] 确诊，其后此病在全球范围内陆续被检测出。 截至2023年3月10日，全球各國的官方通報已累计报告逾6.76亿名确诊病例、逾 688.1万名患者死亡 [5]。 2023年5 …

COVID-19 (coronavirus disease 2019) is a disease caused by the SARS-CoV-2 virus. It can be very contagious and can spread quickly. COVID-19 most often causes respiratory symptoms that can feel much like a cold, the flu, or pneumonia. COVID-19 may attack more than your lungs and respiratory system.

2023年8月9日 · COVID-19 is a disease caused by a virus. The most common symptoms are fever, chills, and sore throat, but there are a range of others. Most people make a full recovery without needing hospital treatment. People with severe symptoms should seek medical care as soon as possible.

Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.

2025年3月10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.

2024年5月20日 · COVID-19 (coronavirus disease 2019) is a respiratory disease caused by a virus. It can be very contagious. Learn about symptoms, prevention, and treatment.