10 million cases in a week: WHO explains why Omicron is spreading like wildfire 10 million cases in a week: #WHO explains why #Omicron is spreading like wildfire | Track today's #latestnews here: https://t.co/l8Hs5XaTOA pic.twitter.com/hi686hWmeG— Economic Times (@EconomicTimes) January 10, 2022