Closing school classes can quickly stop the spread of COVID-19

Children in school classes are probably the main driver of the COVID-19 epidemic.

Basic logical reasons for the crucial importance of schools for the spread of the epidemic:

• children go to classes even infected (unknowingly, because they have no symptoms and are not tested)
• full-time teaching is the most risky type of contact (dozens of children and their teachers are in close and long contact with each other every day in small enclosed spaces [classrooms])
• there are millions of children and their teachers, parents (and grandparents) in total (they make up the majority of the population)
• children in the classroom can therefore form hidden "bridges" between outbreaks

• there was no major spread of the epidemic in the summer 2020 (schools were closed) in Czechia
• Shortly after the start of the school year, there was a sharp increase in diseases
• schools were closed on 2020-10-14 and 14 days later the spread of the epidemic stopped (the peak of the second wave was at the end of October 2020)
• the rapid decline in the number of people infected lasted until the partial reopening of schools on 2020-11-18
• three weeks after the opening of the schools, the number of infected people started raise again (another "provisions" did not have a chance to show at that time)

• close of full-time teaching in school classes (until vaccination)
• put children and teachers to the first wave of vaccination
• then let only vaccinated children go into school classes