What is CDIC? How have you judged that you managed to do better testing than them? There have been a lot of tests of the efficacy of masks, not just from one or

What is CDIC? How have you judged that you managed to do better testing than them? There have been a lot of tests of the efficacy of masks, not just from one organisation. Especially during the pandemic; there were many organisations across the world doing studies. If you didn't manage to discover that the main benefit of lower grade masks is to restrict respiratory droplet movement then your literature search was very ineffective.