Coronavirus Omicron Cases and Deaths in India Today Live: India saw the highest single-day rise of 309 cases of the Omicron variant of the coronavirus, taking the country's tally of such cases to 1,270, the Union health ministry said on Friday. Delhi on Friday recorded 1,796 fresh Covid cases, the highest single-day rise since May 22, and zero death while the positivity rate mounted to 2.44 per cent, according to data shared by the city health department. Meanwhile, as much as 55 per cent out of 282 samples of coronavirus patients from Mumbai, sent for genome sequencing, have tested positive for the Omicron variant, the civic body said.