The U.S. said Friday that it would restrict travel from South Africa and seven other countries amid fears that a newly-discovered COVID-19 variant could lead to a surge of worldwide cases and deaths.

With the emergence of new Covid-19 variants like Stratus and NB. 1. 8. 1, South Africans are left wondering: should we be concerned?

Add Yahoo as a preferred source to see more of our stories on Google. A COVID-19 variant that has remained "underground" for years is catching the attention of health officials in the United States ...

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