public health data which shows that school transmission is the top way that covid is spread, and then you look at chicago public schools only data. just from two days of in person schooling, there were 2,400 positive cases of teachers and students, 9,000 in karen tone and that was expanding exponentially so omicron expands wrappedly. we didn't have the mitigations in place to detect it and yet other we are. you talk about not having the infrastructure place. there's separate measures, i can tell you my sixth grader hates it in the way they split kids up and rotate lunch. we know there was some movement over the weekend. 91% of teachers i believe are vaccinated within cps and cps says they are going to provide kn-95 masks for all teachers and students and how important is all of that?