School and danger of contagions: here are the rules for returning to class safely

According to data from the Italian Society of Pediatrics, about 1 out of 4 contagion in the last week concerns the under 20s. In one month the number of people admitted to this age group increased by almost 800 (791 to be precise), going from 8,632 to 9,423 . How can the return to school be guaranteed in the presence of students, minimizing the risk of contagion from Coronavirus? Beyond the political decisions, doctors, parents, teachers and children would gladly do without returning to Dad and according to experts it is possible to return to the classroom without fear of a further explosion of infections.