In public schools, every student is required to get a flu shot, every year. And every year, lo and behold, most, if not all, of the students (and even staff) end up home sick with the flu at one point or another. And that's just the flu. According to the CDC, the Delta Variant is more than twice as infectious as previous variants, which in turn were much more transmissible than the flu. So by using simple logic, there is NO PLACE ANYWHERE that "disease isn't spread".