Global authorities have reacted with alarm to a coronavirus variant detected in South Africa, with the EU, Britain and India among those announcing stricter border controls as scientists seek to determine if the mutation is vaccine-resistant.
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The country has identified around 100 cases of the variant, mostly from its most populated province, Gauteng.South African scientists say early signs from diagnostic laboratories suggest it has spread rapidly in Gauteng and may already be present in the country's other eight provinces. Hong Kong has one case, in a traveller from South Africa and Israel one in a traveller returning from Malawi.
This one has drawn scrutiny because it has more than 30 mutations of the spike protein that viruses use to get into human cells, UK health officials say. UK Health Security Agency Chief Medical Advisor Dr Susan Hopkins told BBC radio some mutations had not been seen before, so it was not known how they would interact with the other ones, making it the most complex variant seen so far.
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