By BY LYNSEY CHUTEL from NYT World
https://ift.tt/3FRwzIX
The density of mutations raises concerns. While it’s too early to say, new variants can pose a threat to progress or limit a vaccine’s effectiveness.
New variant displaying a ‘big jump in evolution’ detected in South Africa.
By BY LYNSEY CHUTEL from NYT World
https://ift.tt/3FRwzIX
The density of mutations raises concerns. While it’s too early to say, new variants can pose a threat to progress or limit a vaccine’s effectiveness.
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