undoubtedly better. there's four reasons for that. in the masked environment, we know that there's no data that closing schools systematically helps transmission between children. we also know that transmission at school is one of the lowest places for transmission to occur. in fact, transmission is so low there that it's comparable to perhaps the safest place for children to be. if you look at noncovid outcomes, it's not just about learning, anderson, it's about any other non-covid health outcome is worse when you close schools. mental health, nutrition, suicide, self-harm, violence, on and on. and finally, closure of public schools was the biggest public health failure for children in our lifetime. >> wow. >> so why do we want to do that again? >> it was the biggest public