Bill Gates 2020: "A key goal

Bill Gates 2020: "A key goal [of the vaccine] is to stop the transmission and to get the immunity levels up so you get almost no infections going on whatsoever."

Bill Gates 2022: "We want vaccines that are infection blocking and long duration, which today, the vaccines have saved millions of lives but they don't have have a much in a way of duration, they're not good at infection blocking."