the reporting are unvaccinated. i want to talk about the booster. one more thing on schools, we have to consider education support professionals, people that work in the cafeteria, eds -- educators. oh want to get to the booster. there is reporting that the booster's efficacy tends to wane around ten weeks. i know you feel like a fourth booster could cause basically immune system fatigue i don't know what to do about this because if we have to get boosted every ten weeks. >> i think we're learning something every day so some of the data out of israel is showing there may be waning immunity against infection after about ten weeks after the third