Al Jazeera English published this video item, entitled “COVID-19: The New Variants | Start Here” – below is their description.
The virus that causes COVID-19 is mutating and spreading around the world.
It’s led to more contagious variants, including one that’s caused an unprecedented spike in cases in the UK.
Vaccine roll-outs are in full swing but will they still work?
Should we be worried?
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