John Delaney ๐บ๐ธ @JohnDelaney
@bigdatakid @AlexBerenson @nytimes @CNN Just extrapolating data. The data suggests masks reduce transmission by 50-75% The data suggest a vaccine is likely to have efficacy of 50-75% Therefore universal mask wearing is "basically" (the word I used) like a vaccine. — PolitiTweet.org