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Aug 9, 2023 · Overview. 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.
May 16, 2022 · Introduction. As of November 21st, 2021, over 257 million cases of coronavirus disease 2019 (COVID-19) have been reported, and more than 5 million lives claimed globally [ 1 ]. The disease is...
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.
Mar 28, 2023 · There are two main types of tests that can confirm whether you are infected with SARS-CoV-2, the virus that causes COVID-19. Molecular tests, such as polymerase chain reaction (PCR), are the most accurate tests for diagnosing SARS-CoV-2 infection.
COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly. Over one million people have died from COVID-19 in the United States. COVID-19 most often causes respiratory symptoms that can feel much like a cold, the flu, or pneumonia.
Apr 6, 2021 · Because the virus was closely related to severe acute respiratory syndrome (SARS) coronavirus (SARS-CoV), the name was changed to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and the disease it causes was called Coronavirus disease 2019 (COVID-19) [ 1, 6 ].
Apr 30, 2020 · SARS‐CoV (causative pathogen of Severe Acute Respiratory Syndrome or SARS) and SARS‐CoV‐2 (causative pathogen of Coronavirus Disease 2019 or COVID‐19) are positive‐sense RNA viruses belonging to the family of Coronaviridae, able to cause severe respiratory diseases. 1, 2, 3, 4. Despite some similarities, they have many differences ...
