MSNBC Hallie Jackson Reports June 4, 2024 14:27:00
Terrible virus, and getting very sick or even dying. that's not a good reason to hold off. >> the world health organization just came out strongly against mixing different vaccines, so one shot of this, one shot of that saying there's no evidence. is that an assessment you agree with or no? >> i do. i'm a scientist. before recommending anybody have a vaccination protocol, i'd want to know for sure how does it work. there are reasons to think mixing and matching might be okay but until you have actually tried this in a carefully controlled trial it's probably not a great idea. we know the ones ...