How bad is Omicron? What scientists know so far.

  title={How bad is Omicron? What scientists know so far.},
  author={Ewen Callaway and Heidi Ledford},
Barely a week has elapsed since scientists in Botswana and South Africa alerted the world to a fastspreading SARS-CoV-2 variant now known as Omicron. Researchers worldwide are racing to understand the threat that the variant — now confirmed in more than 20 countries — poses to the world. Yet it might take scientists weeks to paint a more complete picture of Omicron, and to gain an understanding of its transmissibility and severity, as well as its potential to evade vaccines and cause… 
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