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...ty]] to bat coronaviruses suggests it emerged from such a [[bat virome|bat-borne virus]].<ref name=biol/> [[Investigations into the origin of COVID-19|Resea ...me more infectious.<ref>{{#invoke:cite web||url=https://www.mayoclinic.org/diseases-conditions/coronavirus/expert-answers/covid-variant/faq-20505779|title=COVI ...