A new variant of the coronavirus that causes Covid-19 -- called B.1.1.529 -- has been identified in South Africa, with officials there saying it’s of concern. Fears a new strain could fuel outbreaks in many countries, straining health systems, potentially evading vaccines and complicating efforts to reopen economies and borders, sent a wave of risk aversion across global markets Friday.
Here’s what we know so far:
1. What’s different about this variant?
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