A total of 1,525 cases of Omicron variant of coronavirus have been detected across 23 states and Union Territories so far, out of which 560 have recovered or migrated, according to the Union Health Ministry's data updated on Sunday.
Maharashtra recorded a maximum of 460 cases, followed by Delhi at 351, Gujarat 136, Tamil Nadu 117 and Kerala 109.
India's Covid tally rose to 3,48,89,132 with 27,553 fresh cases, while the active cases have increased to 1,22,801, according to the data updated at 8 am.
The death toll has climbed to 4,81,770 with 284 more fatalities, the data showed.
The active cases have increased to 1,22,801 comprising 0.35 per cent of the total infections, while the national COVID-19 recovery rate was recorded at 98.27 per cent, the ministry said.
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An increase of 18,020 cases has been recorded in the active COVID-19 caseload in a span of 24 hours. The daily positivity rate was recorded at 2.55 per cent.
The weekly positivity rate was also recorded at 1.35 per cent, according to the ministry.
The number of people who have recuperated from the disease surged to 3,42,84,561, while the case fatality rate was recorded at 1.38 per cent.
The cumulative doses administered in the country so far under the nationwide COVID-19 vaccination drive has exceeded 145.44 crore.
India's COVID-19 tally had crossed the 20 lakh-mark on August 7, 2020, 30 lakh on August 23, 40 lakh on September 5 and 50 lakh on September 16. It went past 60 lakh on September 28, 70 lakh on October 11, crossed 80 lakh on October 29, 90 lakh on November 20 and surpassed the one crore-mark on December 19.
India had crossed the grim milestone of two crore on May 4 and three crore on June 23.