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Short-term Health Benefits of Using Fresh Air Filtration System in Classroom
A randomized crossover trial will be conducted in 90 primary school children in 3 classrooms in Shanghai, China. The effects of fresh air ventilation/filtration system, fresh air ventilation system with no filtration and natual ventilation will be compared on the effects of reducing indoor PM2.5 and chilhood health. Biological samples of children are going to be collected to investigate the associations between indoor air pollution and biomarkes of certain health effects.
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