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Virologists are rushing to learn more about a variant of the Covid-19 virus that was first identified in Botswana, and which is rapidly outcompeting other versions of the virus in the region of South Africa that includes Johannesburg.
The variant, currently denominated B.1.1.529, reportedly has twice as many of the mutations displayed by the Delta variant, which became the dominant variant in most of the world over the summer.
It's not clear yet whether the mutations make this variant more infectious or whether it causes more severe illness, but researchers say the high number of mutations to the "spike proteins" — the focus of a body's immune response — may make it more able to get past the body's defenses.
Despite the spread of this variant, the number of Covid-19 cases in South Africa is still well below the Delta surge earlier this year. But numbers are beginning to tick up again.
Continued below.
New coronavirus variant in South Africa raises concern
Virologists are rushing to learn more about a variant of the Covid-19 virus that was first identified in Botswana, and which is rapidly outcompeting other versions of the virus in the region of South Africa that includes Johannesburg.
The variant, currently denominated B.1.1.529, reportedly has twice as many of the mutations displayed by the Delta variant, which became the dominant variant in most of the world over the summer.
It's not clear yet whether the mutations make this variant more infectious or whether it causes more severe illness, but researchers say the high number of mutations to the "spike proteins" — the focus of a body's immune response — may make it more able to get past the body's defenses.
Despite the spread of this variant, the number of Covid-19 cases in South Africa is still well below the Delta surge earlier this year. But numbers are beginning to tick up again.
Continued below.
New coronavirus variant in South Africa raises concern
