Video above: President Biden delivers remarks on COVID-19 fight at the CDC last week Results from a U.S. trial of AstraZeneca’s COVID-19 vaccine may have used “outdated information,” U.S. federal health officials said early Tuesday.The Data and Safety Monitoring Board said in a statement that it was concerned that AstraZeneca may have provided an incomplete view of the efficacy data.AstraZeneca reported Monday that its