HAGERSTOWN, MD. (WDVM) — According to the World Health Organization (WHO), no cases of the omicron variant have been identified in the U.S. to date.

“What we know so far is limited. One of the reasons for concern as a large number of mutations, viruses change over time and their mutations. Most of the variants that we’ve seen have a relatively few number of mutations. This one has more,” said Diana Gaviria, the deputy health officer at the Washington County Health Department.

The Centers for Disease Control and prevention (CDC) is following the details of this new variant, first reported to the who by South Africa.