AiCARR journal
AiCARR

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A theoretical study of air change in Italian schools: energetic aspects, air quality and Sars-CoV-2 infection risk assessment Part 2<br /><em>Approccio teorico sul ricambio d'aria nelle scuole italiane: aspetti energetici, qualità dell'aria e valutazione del rischio di infezione da Sars-CoV-2 Parte 2</em>


F. Busato filippo.busato@unimercatorum.it 1, A. Cavallini2

Show more: Authors information and Publication history

Abstract
Schools are definitely among the highest densely occupied indoor environments with continuous occupation. According to the present knowledge about airborne carried diseases, the infection risk for SARS-CoV-2 could reach significant values especially under poor ventilating conditions. The infection risk can be reduced by dilution of the viral agent concentration, provided by air-change, whether by infiltration, manual aeration (windows opening) or mechanical ventilation. The present work, after a brief survey on ventilation requirements for schools in Italy, compares different strategies to account for dilution both in terms of infection risk control and of energetic and comfort aspects. The paper is split into two parts: this part 2 examines air quality and Sars-CoV-2 risk assessment, while the first one dealt with energetic aspects. Each part has its own specific nomenclature and methodology.

Keywords
SARS-CoV-2
Mechanical ventilation
Air change
Infection risk
Airborne disease
Schools

DOI
10.36164/AiCARRJ.70.05.03

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