FILE – This 2020 electron microscope image provided by the National Institute of Allergy and Infectious Diseases – Rocky Mountain Laboratories shows SARS-CoV-2 virus particles which cause COVID-19, isolated from a patient in the U. S. , emerging from the surface of cells cultured in a labNIAID-RML via AP. CASPER, Wyo. AP County health officials in Wyoming have detected the coronavirus variant that originated in South Africa. The Casper Star-Tribune reported Monday that the Teton County Health Department said a sample from a resident who tested positive for COVID-19 in January revealed the variant. . . Health officials said the yet-unidentified person did not travel prior to becoming infected. State health officials have not announced any other cases of the variant. County Health Officer Dr. Travis Riddell has encouraged residents to get coronavirus tests if they have symptoms or come in contact with someone who tested positive.