Omicron variant in the US: What we know
The infectious-disease is in the U.S. The executive and public health officials said Wednesday afternoon that the case was confirmed in a travelera> who returned to <a href="https: after a trip to south-africa” target=”_blank”>South Africa<, is self-quarantining since testing positive. All close contacts tested negative. The City and County of San Francisco COVID-19 Emergency Operation…