239 RED FLAG: University of Maryland: "Study shows N95 masks near-perfect at blocking escape of airborne COVID-19"⸻This study is going to be used as the sole justification to bring back masking (sph.umd.edu) posted 165 days ago by nothingberg 165 days ago by nothingberg +239 / -0 89 comments share 89 comments share save hide report block hide replies
And the horse you rode in on!!