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    Severe acute respiratory syndrome coronavirus 2 ( SARS‑CoV‑2) [2] is a strain of coronavirus that causes COVID-19 (coronavirus disease 2019), the respiratory illness responsible for the ongoing COVID-19 pandemic. [3] The virus previously had a provisional name, 2019 novel coronavirus ( 2019-nCoV ), [4] [5] [6] [7] and has also been called the human coronavirus 2019 ( HCoV-19 or hCoV-19 ).

  2. May 7, 2021 · SARS-CoV-2 is transmitted by exposure to infectious respiratory fluids The risk of SARS-CoV-2 infection varies according to the amount of virus to which a person is exposed Transmission of SARS-CoV-2 from inhalation virus in the air farther than six feet from an infectious source can occur Prevention of COVID-19 transmission References

  3. Apr 26, 2022 · In laboratory studies, SARS-CoV-2 variants that contain certain substitutions in the spike protein have reduced susceptibility to the combination of bamlanivimab and etesevimab. Clinicians seeking advice on the use of monoclonal antibody products authorized for emergency use in the United States for the treatment and prevention of SARS-CoV-2 should consult the NIH COVID-19 Treatment Guidelines .

  4. Oct 27, 2022 · Tracking SARS-CoV-2 variants. All viruses, including SARS-CoV-2, the virus that causes COVID-19, change over time. Most changes have little to no impact on the virus’ properties. However, some changes may affect the virus’s properties, such as how easily it spreads, the associated disease severity, or the performance of vaccines, therapeutic medicines, diagnostic tools, or other public health and social measures.

  5. Aug 8, 2022 · SARS-CoV-2 reinfection has been reported in people after an initial diagnosis of infection; therefore, clinicians should consider using a NAAT for those who have recovered from a previous infection and who present with symptoms that are compatible with SARS-CoV-2 infection if there is no alternative diagnosis ( BIII ).

  6. Severe Acute Respiratory Syndrome (SARS) Overview More Severe acute respiratory syndrome (SARS) is a viral respiratory disease caused by a SARS-associated coronavirus. It was first identified at the end of February 2003 during an outbreak that emerged in China and spread to 4 other countries.

  7. Sep 15, 2021 · SARS-CoV-2 appears to be transmitted more easily than SARS-CoV. One possible explanation is that the amount of virus, or viral load, appears to be highest in the nose and throat of people...

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