Omicron: What we know and don't know about new COVID variant

It's unclear where the new variant first emerged, but scientists in South Africa alerted the World Health Organization in recent days, and it has now been seen in travelers arriving in several countries, from Australia to Israel to the Netherlands. 

source https://zeenews.india.com/world/omicron-what-we-know-and-dont-know-about-new-covid-variant-2414398.html