are you ready to du more with less asthma? just ask your asthma specialist about dupixent. >> sandra: president joe biden is speaking live at the white house. he's talking about his covid response and the update on vaccine process in this nation. we're going to dip in and listen here. >> we didn't have the vaccine infrastructure or the people to administer the vaccines or the places where the people could get vaccinated. but we turned it around together by acting quickly and aggressively and equitably. we secured enough vaccine supply for every american. as i announced last week during my visit to europe, we're in a position to provide 1.5 billion doses to the world. we developed and deployed over