https://www.nature.com/articles/d41586-021-03672-3 https://www.nature.com/articles/d41586-021-03672-3 Best I could find says 40x better protection which isn’t

https://www.nature.com/articles/d41586-021-03672-3 https://www.nature.com/articles/d41586-021-03672-3 Best I could find says 40x better protection which isn’t the same comparison in above article.