But Biden said that he will encourage people to voluntarily do both.
"No, I don't think it should be mandatory. I wouldn't demand it be mandatory," Biden said of vaccines at a press conference in Delaware.
Comment: He did during his election campaign: Biden promises to pressure states into issuing mask mandates nationwide
"But I would do everything in my power — just like I don't think masks have to be made mandatory nationwide — I will do everything in my power as president of the United States to encourage people to do the right thing. And when they do it, demonstrate that it matters."
Biden said in September that his legal advisers believe a national mask mandate would be constitutional. On Thursday, he said he wanted Americans to voluntarily wear a mask for 100 days after he takes office on Jan. 20.















Comment: See also: