Mechanical ventilation works: in the classroom it can reduce the circulation of the virus by 80%

Closed schools and the general decline in attention to what the impact of the pandemic may be on the little ones has pushed the debate into the background. But controlled mechanical ventilation in the classroom probably remains the most effective antidote to the spread of Sars-CoV-2 among the youngest.

A trick adopted in very few structures, above all for economic reasons.