Six people from a family who returned from Nigeria, and another man tested positive for Omicron on Sunday, taking the city s tally to 7 and the total caseload of the country to 12. The first two cases of Omicron were reported in Karnataka on Thursday. On Saturday, the third and the fourth case of the infection were reported from Gujarat s Jamnagar and Maharashtra s Dombivli. Delhi also reported its first case of new COVID-19 variant Omicron on Sunday, Delhi Health Minister Satyendar Jain