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  1. 2 天前 · Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom. COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection.

  2. 2024年5月18日 · COVID-19 pandemic by country and territory. This is a general overview and status of places affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus which causes coronavirus disease 2019 ( COVID-19) and is responsible for the COVID-19 pandemic.

  3. 2 天前 · The Oxford–AstraZeneca COVID‑19 vaccine is used to provide protection against infection by the SARS-CoV-2 virus in order to prevent COVID-19 in adults aged 18 years and older. [1] The medicine is administered by two 0.5 ml (0.017 US fl oz) doses given by intramuscular injection into the deltoid muscle (upper arm).

  4. 2 天前 · COVID-19, highly contagious respiratory illness, the cause of the COVID-19 pandemic. COVID-19 is caused by the coronavirus known as SARS-CoV-2. There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.

    • The Editors of Encyclopaedia Britannica
  5. 1 天前 · Since the emergence of SARS-CoV-2 in December 2019, more than 12,000 mutations in the virus have been identified. These could cause changes in viral characteristics and directly impact global public health. The emergence of variants is a great concern due to the chance of increased transmissibility and infectivity. Sequencing for surveillance and monitoring circulating strains is extremely ...

  6. 2 天前 · This paper presents a virus-like lipid nanoparticle decorated with spike proteins capable of carrying antigens, including mRNA and proteins, for vaccination against SARS-CoV-2 variants.

  7. 5 天前 · Drs Lordick, Falanga, O’Donnell, and Smadja present recent data and management of thrombosis and inflammation in patients with COVID-19. 0.5 CME. 30 min. Optimizing Cancer Care during COVID-19 pandemic. Join global experts in cancer care as they discuss managing patients with cancer during the COVID-19 pandemic.