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  1. en.wikipedia.org › wiki › SARS-CoV-2SARS-CoV-2 - Wikipedia

    SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus ( beta-CoV lineage B).

  2. Oct 6, 2020 · Abstract. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible and pathogenic coronavirus that emerged in late 2019 and has caused a pandemic of acute respiratory ...

    • Ben Hu, Hua Guo, Peng Zhou, Zheng Li Shi
    • 2021
  3. Recombination: A process in which the genomes of two SARS-CoV-2 variants combine during the viral replication process to form a new variant that is different from both parent lineages. This may occur when a person is infected with two variants at the same time. The lineage that results from recombination is called a “recombinant.”.

  4. Mar 27, 2024 · 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’s 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 ...

  5. Dec 20, 2023 · For diagnosing current SARS-CoV-2 infection, the Centers for Disease Control and Prevention (CDC) recommends using either a nucleic acid amplification test (NAAT) or an antigen test. 1 Testing may also be used for screening and to determine the length of a patient’s isolation period. 2 There may be a window period of up to 5 days after ...

  6. www.cdc.gov › your-health › about-covid-19About COVID-19 | CDC

    Apr 9, 2024 · 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. COVID-19 may attack more than your lungs ...

  7. Dec 12, 2021 · The genome of SARS-CoV-2 contains over 29,000 bases and codes for 29 proteins. SARS-CoV-2 has four structural proteins: The proteins E and M that form the viral envelope, protein N binds to the RNA genome of SARS-CoV-2 and S protein, which binds to host ACE2 receptor to initiate infection. The nonstructural proteins (NsPs) initially form as two ...

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