2025年1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.

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.

COVID-19 is the disease caused by a coronavirus called SARS-CoV-2. WHO first learned of this new virus on 31 December 2019, following a report of a cluster of cases of so-called viral pneumonia in Wuhan, People’s Republic of China.

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

2024年12月24日 · This is a special edition of the epidemiological update on COVID-19 that gives an overview of the situation since the disease was first reported to WHO nearly five years ago. SARS-CoV-2, the virus that causes COVID-19, largely circulates without clear seasonality and continues to infect, causing severe acute disease and post-COVID-19 condition.

2024年12月30日 · Five years ago on 31 December 2019, WHO’s Country Office in China picked up a media statement by the Wuhan Municipal Health Commission from their website on cases of ‘viral pneumonia’ in Wuhan, China. In the weeks, months and years that unfolded after that, COVID-19 came to shape our lives and our world.

2024年7月22日 · Lymphocyte levels: In COVID-19 survivors the blood lymphocyte counts are high and increase after day 7, when compared to patients that pass away who have severely low lymphocyte counts D-dimer, high-sensitivity cardiac troponin I, serum ferritin, lactate dehydrogenase, and IL-6 levels: These were all clearly elevated in non-survivors compared ...

2023年8月9日 · 一些covid-19患者在康复后会继续出现症状，无论是否需要住院治疗。这些长期影响被称为covid-19长期症状（或covid-19后遗症）。与covid-19长期症状相关的最常见的症状包括疲劳、呼吸困难和认知功能障碍（例如，精神错乱、健忘或精神不集中或思维不清晰）。

2021年3月31日 · COVID-19 vaccines protect against the SARS-CoV-2 virus only, so it’s still important to keep yourself healthy and well. Less common side effects Upon receiving the vaccine, a person should be requested to stay for 15–30 minutes at the vaccination site so health workers are available in case of any immediate reactions.

2024年11月6日 · In addition to possibly making you less contagious, Paxlovid has been shown to lower the risk of hospitalization from COVID-19 infection by over 50% and the risk of death by 75%. It is FDA approved to treat mild-to-moderate illness due to COVID-19 in adults who are at risk for severe illness.