MSNBC Meet the Press June 4, 2024 08:27:00
That they show high levels efficacy, that they show safety, and we required w.h.o. prequalification as a standardized way to look at vaccines across the world. at the moment, we're not using the russian vaccine and chinese vaccine. that may change over time. but we're using a range of rack scenes. we have nine vaccines in our portfolio now and soon to be 11 or 12. that's what we started as a priority to move forward because we realized we very well might have needed diversity if it turned out that different types of vaccines didn't work. of course, we've been lucky. now, the advantage of this ...