Amid fears of the fourth coronavirus (COVID-19) wave in India, especially in the nation's capital, health experts on Thursday (April 21) said that is a possibility that new variants are emerging of the Omicron and they are being sequenced. Delhi on Wednesday (April 20) reported 1,009 fresh cases, the highest since February 10, while the positivity rate is 5.70 per cent. In the latest development, the health expert suggested that there are eight variants of Omicron. He added that among those eight, one is dominating and causing the surge in cases.