http://www.newsweek.com/omicron-detected-us-10-states-50-percent-vaccinated-less-1655224

The Omicron COVID variant was detected in the U.S. on Wednesday, and 10 states have fewer than 50 percent of their population fully vaccinated, data shows.

The Omicron variant has caused concern since last month after it was discovered in South Africa, and scientists noticed that it had a large number of genetic mutations.