US president Joe Biden to address nation on Omicron surge

Omicron is now the dominant variant of the COVID-19 in the US, federal health officials said, racing ahead of Delta and other variants and accounting for 73% of new infections last week. America is staring at a bleak holiday season as the new variant has upended lives with its aggressive transmissions. US president Joe Biden is all set for his address on the Omicron surge.