Masking Causes Dangerous C02 Levels and Here Is the Proof

Carbon dioxide rises beyond acceptable safety levels in children under nose and mouth covering: Results of an experimental measurement study in healthy children

Harald Walach, Helmut Traindl, […], and Stefan Hockertz

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9142210/

1 thought on “Masking Causes Dangerous C02 Levels and Here Is the Proof

Comments are closed.