Even if it reduces the risk of contamination from a direct "cough in the face" from 100% to 95%, when facing a disease with exponential progression, every little bit helps.
Perfection is the enemy of the good.
Perfection is the enemy of the good.
People can make homemade masks. Here, women who have sewing machines are making them for everyone around.
https://www.cambridge.org/core/journals/disaster-medicine-an...
Someone took that data and used it for this more accessible article.
https://smartairfilters.com/en/blog/best-materials-make-diy-...
I know China doesn't have their act together on many areas of health and sanitation. But we should adopt good practices and remove the stigma in the US that mask = bad.