As part of its measures against the spread of coronavirus, TU Delft has ensured that the ventilation in all of its lecture rooms meets the requisite standards. The standard being applied is thirty cubic metres of fresh air per person per hour. But that is not enough in and of itself. Professor Atze Broerstra (Building Services Innovation at Architecture and the Built Environment) says that this standard must not be taken too literally, as more factors are in play. "What's involved is a combination of measures. Ventilation can involve limiting the spread between persons, but it nevertheless remains important that you address the source at the same time. You must therefore limit the possibility of infected persons entering the lecture room as much as possible."
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