JOHANNESBURG/WASHINGTON: Heavily mutated Omicron is rapidly becoming the dominant variant of the coronavirus in South Africa less than four weeks after it was first detected there, and the United States on Wednesday became the latest country to identify an Omicron case within its borders.who returned to the United States from South Africa on Nov 22 and tested positive seven days later.
Late on Tuesday, airlines in the United States were told to hand over the names of passengers arriving from parts of southern Africa hit by Omicron, according to a US Centers for Disease Control and Prevention letter seen by Reuters. Early indications suggesting Omicron may be markedly more contagious than previous variants have rattled financial markets, fearful that new restrictions could choke off a tentative recovery from the economic ravages of the pandemic.
It said 74 per cent of all the virus genomes it had sequenced last month had been of the new variant, which was first found in a sample taken on Nov 8 in Gauteng, South Africa's most populous province.World Health Organization epidemiologist Maria van Kerkhove told a briefing that data on how contagious Omicron was should be available"within days".
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