A woman receives a COVID-19 vaccine at a clinic in Philadelphia, Pennsylvania, U.S., May 18, 2021. Photo: REUTERS/Hannah Beier/File Photo i24 News – The World Health Organization (WHO) on Friday named the new Covid variant detected in South Africa “Omicron” and designated it as a “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. The WHO warned against any overreaction before...