face suspension. i am concerned of making sure we are well prepared if there is another delta. i am concerned keeping our schools open and economy going. reporter: the governor is preparing the national guard to step in if necessary. the state s commissioner is hoping that won t be the case. we are looking at having so many of our people vaccinated that will not be necessary. at this point, things are still being tabulated. reporter: in new york city, fears of staffing shortages in the largest school district in america. all teachers must be vaccinated, no testing option. some 10,000 employees may not be able to work. substitutes are standing by and most teachers are vaccinated. 93% of our teachers and principles and the bottom line is this mandate has worked. reporter: nicole broker won t be showing up. now you are taking away teachers and go to person. she says she had asymptomatic