While fears of the omicron variant continued to wane, as seen through the rally in global stock markets, global tally for the coronavirus-borne illness rose to a total of 266.6 million on Friday and the death toll climbed to 5.27 million, according to data aggregated by Johns Hopkins University . The U.S. leads the world with a total COVID-19 case count of 49.3 million and death toll of 789,745. The daily average case count rose climbed to 119,751 on Monday, the highest since Sept. 25, and a 28% increase from two weeks ago, according to a New York Times tracker . The daily average death toll rose 13% to 1,266, the most since Nov. 4, while hospitalizations increased 18% to a seven-week high of 59,702. GlaxoSmithKline PLC /zigman2/quotes/209463850/composite GSK -0.72% helped to further soothe omicron fears after the drug maker said new preclinical studies showed that its sotrovimab antibody retains effectiveness against omicron. Meanwhile, the number of Americans at least 12 years old who are fully vaccinated inched up to 197.8 million, or 69.8% of that population, according to the Centers for Disease Control and Prevention's vaccine tracker .