Corona's new variant Omicron is spreading very fast worldwide, so far it has knocked in 89 countries, now WHO has given another information about Omicron, under which people's concern may increase, World Health Organization (WHO) The WHO said on Saturday that the speed of the spread of the new variant of Corona, Omicron, is much faster than the delta variant. Omicron's cases are doubling in one and a half to three days.