around 90% effective from protecting them from symptomatic infections. with me now is msnbc medical contributor dr. ven gupta, pulmonologist and affiliate professor. let s start with this pfizer vaccine study on kids. i know a lot of parents are going to be asking not just about the effectiveness of the shot but what the potential risks or side effects are for younger people. do we have any insight into that from this new study? good afternoon, garret. in fact we do. for everyone watching that has a kiddo less than 12 that s wonder whether they should get their kids vaccinated, this is important reassuring news today this data. 1,500 kids in this study got the vaccine and 700 got the placebo. a third of the adults as you mentioned, garret, and 16