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What you need to know about the new COVID-19 variants – Al Jazeera English

Experts say new variants are not necessarily deadlier forms of the coronavirus disease but are more infectious.

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At about the same time the first vaccines against the coronavirus disease were being approved and acquired in December 2020, health officials in the United Kingdom announced a new strain of the virus.
The variant was initially reported to be up to 70 percent more infectious. A few days later, another variant of the coronavirus was announced in South Africa already the country with the highest rate of COVID-19 cases on the continent at more than 15,000 a day.
And in January another variant was detected…

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