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New South African COVID-19 strain is the most mutated one: report - New York Post

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A COVID-19 variant first detected in South Africa could be more infectious than other mutations — and may have the potential of being resistant to vaccines, according to a report.

The C.1.2 strain has been linked to “increased transmissibility” and is said to have mutated the most from the original virus, which first emerged in the Chinese city of Wuhan, the Mirror reported.

The strain has a mutation rate of about 41.8 mutations per year, almost double the global mutation rate seen in any other existing variant of concern, according to experts at South Africa’s National Institute for Communicable Diseases and the KwaZulu-Natal Research Innovation and Sequencing Platform.

The number of C.1.2 genomes in South Africa has risen from 0.2 percent in May to 1.6 percent in June and 2 percent in July, according to scientists, who also have found 14 mutations in nearly 50 percent of the variants that had a C.1.2 sequence.

A new variant of the COVD-19 virus called the C.1.2 strain has been found in several countries.
A new variant of the COVD-19 virus called the C.1.2 strain has been found in several countries.
AP Photo/Alet Pretorius
The C.1.2 strain has been linked to “increased transmissibility." and could potentially not be covered by the COVID-19 vaccine.
The C.1.2 strain has been linked to “increased transmissibility” and could potentially not be covered by the COVID-19 vaccine.
AP Photo/Denis Farrell
The news of a new variant comes as several countries including the US have seen a rise in COVID-19 cases due to the spread of the Delta variant.
The news of a new variant comes as several countries including the US have seen a rise in COVID-19 cases due to the spread of the Delta variant.
CHINE NOUVELLE/SIPA/Shutterstock

The C.1.2 strain also has been found in the UK, China, the Democratic Republic of the Congo, Mauritius, New Zealand, Portugal and Switzerland.

The latest South African variant could be capable of evading antibodies and immune systems, researchers said, while noting that additional research is needed.

“We describe and characterize a newly identified SARS-CoV-2 lineage with several spike mutations that is likely to have emerged in a major metropolitan area in South Africa after the first wave of the epidemic, and then to have spread to multiple locations within two neighbouring provinces,” the researchers wrote in the report, which was published in the journal Nature.

Countries that have seen rises of the new variant include UK, China, the Democratic Republic of the Congo, Mauritius, New Zealand, Portugal and Switzerland.
Countries that have seen rises of the new variant include UK, China, the Democratic Republic of the Congo, Mauritius, New Zealand, Portugal and Switzerland.
Shutterstock / Mukurukuru Media
Another strain found in South Africa includes the B.1.351, discovered in April, which also has the potential to circumvent the vaccine.
Another strain found in South Africa includes B.1.351, discovered in April, which also has the potential to circumvent the vaccine.
Kim Ludbrook/EPA-EFE/Shutterstoc

 “We show that this lineage has rapidly expanded and become dominant in three provinces, at the same time as there has been a rapid resurgence in infections,” they added.

B.1.351, another South African strain found in April, had the potential to “break through” the Pfizer vaccine, scientists have found.

“We found a disproportionately higher rate of the South African variant among people vaccinated with a second dose, compared to the unvaccinated group,” said professor Adi Stern of Tel Aviv University in Israel, the Mirror reported. “This means that the South African variant is able, to some extent, to break through the vaccine’s protection.”

But still, he said the variant “has not spread widely through the population” — and that the UK variant may be “blocking” the spread of the South African strain.

News about the C.1.2 strain, which was discovered in May, comes as the US grapples with a resurgence caused by the Delta variant, which has complicated efforts to return to workplaces and schools.

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