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  2. 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 ...

  3. Mar 17, 2021 · A Timeline of the Coronavirus Pandemic. The outbreak of the virus has sickened more than 80 million people. At least 1.7 million people have died. Here’s how the year unfolded. A group of ...

  4. Everything you need to know about coronavirus, including the latest news, how it is impacting our lives, and how to prepare and protect yourself.

  5. Aug 9, 2023 · Key facts. 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.

  6. Jan 27, 2021 · 27 January 2021. How epidemiology has shaped the COVID pandemic. Nature ’s third progress report, coming at the end of the pandemics first year, highlights key findings from epidemiology —...

  7. Dec 24, 2020 · Chen Jingyu. In Nanjing, China, a patient is treated in April as the COVID-19 pandemic began to spread across the world. 24 December 2020 Health. COVID-19 is everywhere, literally, and...

  8. May 28, 2020 · Introduction. The World Health Organization (WHO) officially declared the SARS-CoV-2 outbreak a Public Health Emergency of International Concern on January 30, 2020 and a global pandemic on March 11, 2020. Countries were urged by WHO to adopt strict social distancing and quarantine measures to avoid virus spread and to protect public health [ 1 ].