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  2. SARS-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. [106] 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).

  3. SARS-CoV-2 Variant Classifications and Definitions

    SARS-CoV-2 has consistently mutated over the course of the pandemic, resulting in variants that are different from the original SARS-CoV-2 virus. Throughout the COVID-19 pandemic, many variants of SARS-CoV-2 have been found in the United States and globally .

  4. Scientific Brief: SARS-CoV-2 Transmission | CDC

    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

  5. Tracking SARS-CoV-2 variants - World Health Organization (WHO)

    Tracking SARS-CoV-2 variants 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.

  6. Characteristics of SARS-CoV-2 and COVID-19 - Nature

    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...

  7. Coronavirus vs. SARS: How Do They Differ? - Healthline

    The virus that causes SARS is known as SARS-CoV, while the virus that causes COVID-19 is known as SARS-CoV-2. There are also other types of human coronaviruses. Despite similar names, there...

  8. Severe Acute Respiratory Syndrome (SARS)

    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.

  9. Essential process for SARS-CoV-2 viral replication visualized

    During the replication of the SARS-CoV-2 virus, a long string of connected proteins is cleaved apart into individual proteins. This process is interrupted by an FDA-approved drug to treat COVID-19 ...

  10. New Technology Improves SARS-CoV-2 mRNA Vaccine-Induced ...

    Fifty-six days after injecting their eVLP-forming mRNA into immunized mice, the researchers observed a five-fold increase in antibody titers against SARS-CoV-2 strain WA.1 and a 10-fold increase against the Omicron BA.1 variant compared to spike mRNA used in conventional vaccines. 6 “With a conventional mRNA vaccine, you have to give at least three immunizations to get robust neutralizing ...

  11. SARS-CoV is related to SARS-CoV-2, the virus that causes COVID-19 infection. While COVID-19 is currently affecting people around the world, no reports of new cases of SARS have surfaced since 2004.