covid-19 at the schools. it is just evil. >> reporter: and the governor's office says schools with mask mandates have ten days to drop those, to access federal funding. worth noting, arizona state law dropping mask mandates goes into effect end of september. aaron? >> dr. gounder, i want to give you the last word. you alluded to the fact kids under 12 can't get the vaccine now. are masks the only thing we can do to keep them safe? what are you telling parents when they want to get around some mask issues. >> masks are not the only tool, they're perhaps one of the most potent tools for kids under 12 as well as frankly for the broader public. parents really should be speaking with school officials about other things like ventilation, air filtration, trying to hold classes in a