Covid-19

[XU_Lou]

https://pubmed.ncbi.nlm.nih.gov/32973285/

https://pubmed.ncbi.nlm.nih.gov/32716230/

https://www.ucsf.edu/news/2020/06/41...-masks-prevent

https://files.fast.ai/papers/masks_lit_review.pdf

https://www.nejm.org/doi/full/10.1056/NEJMc2007800

https://www.nature.com/articles/s41591-020-0843-2#Sec3

I can post several studies that show the opposite.

But I don't need a study to tell me that masks don't work. The proof is in the pudding. 57% of the US population has had covid - that is 100% proof of the complete failure of masks at protecting against covid.