You misread because of a poorly worded sentence. She does not claim Delta's origin was a lab leak at all but that there has been a lab leak. Instead she implici

You misread because of a poorly worded sentence. She does not claim Delta's origin was a lab leak at all but that there has been a lab leak. Instead she implicitly compares Omicron and Delta showing that Delta did evolved naturally whereas it is unlikely of Omicron.