23andMe Inc. CEO Anne Wojcicki discusses the company's latest finding of a genetic variant associated with the loss of smell and taste among Covid-19 patients. The research follows 23andMe's earlier report on the link between human blood types and susceptibility to the virus. She also shares the areas of research the company is working on to have a deeper understanding of Covid-19 severity and symptoms. Wojcicki speaks to Emily Chang on "Bloomberg Technology."