I would not throw away those masks just yet [1] They're working on it [2] [1] https://www.nature.com/articles/d41586-021-03552-w https://www.nature.com/articl

I would not throw away those masks just yet [1] They're working on it [2] [1] https://www.nature.com/articles/d41586-021-03552-w https://www.nature.com/articles/d41586-021-03552-w [2] https://www.who.int/news/item/26-11-2021-classification-of-omicron-(b.1.1.529)-sars-cov-2-variant-of-concern https://www.who.int/news/item/26-11-2021-classification-of-o...