Are thinking you are making the right decision by getting your kids vaccinated, and there still could be school closures. this is from fara, is the booster still effective for omicron? >> the answer is we don't know yet because we only have booster data out four weeks for pfizer and two weeks for moderna. that is antibody levels, four weeks after a booster, and in the case of moderna, four weeks after the booster. if we all talk about this, it's a three-shot series, it's a three-shot series, what does that mean when antibodies will start to wane, right? that's what they are supposed to do. you...