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CNN

Inside the lab that discovered new Covid-19 variant in South Africa

Duration: 03:10
Researchers warn South Africa's new coronavirus variant is highly contagious and spreads fast. Without widespread access to vaccines, the situation in the country could only get worse. CNN's David McKenzie reports.

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Inside the lab that discovered new Covid-19 variant in South Africa

Inside the lab that discovered new Covid-19 variant in South Africa

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