Trending Medical and health breaking news From delta to omicron: How scientists know which variants are circulating in the US

Trending Medical and well being breaking information From delta to omicron: How scientists know which variants are circulating within the US

The omicron variant quickly took over the global coronavirus landscape after it was first reported in South Africa in late November, 2021. The U.S. became the 24th country to report a case of omicron infection when health officials announced on Dec. 1, 2021, that the new strain had been identified in a patient in California.…