By Stephanie Nebehay and Alexander Winning
The World Health Organisation (WHO) on Friday classified the B.1.1.529 variant detected in South Africa as a SARS-CoV-2 “variant of concern,” saying it may spread more quickly than other forms.
Preliminary evidence suggested there is an increased risk of reinfection and there had been a “detrimental change in COVID-19 epidemiology,” it said in a statement after a closed meeting of independent experts who reviewed the data.
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