CNN CNN Newsroom With Poppy Harlow and Jim Sciutto September 17, 2021 14:20:00
Saying immunity waynes about 6% every six weeks or so. that that is a piece of data but the immunity does not wayne for protection for severe illness. how severe are the break through infection, and all the way to people who are much sicker, does it seem to fall in a particular pattern, is that more so for the el elderly and how long does the booster last and how much does it reduce transmission, right? and that is a big question. how much do the vaccines reduce transmission. let me show you quickly israel because they're a living lab in some ways to what we're seeing here in the united states...