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Tag: ventilation

Carbon Dioxide Rises Beyond Acceptable Levels in Children Under Nose and Mouth Covering: Results of an Experimental Measurement Study in Healthy Children

Ethnic children in medical mask against curtain

Harald Walach et al. Nose and mouth covering (NMC) has been made compulsory for children in many countries during the Covid-19 pandemic. We wanted to determine the average CO2 levels in inhaled air with NMC in children between age 6 and 17. We used short term measurements under surgical masks and FFP2 masks according to […]

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