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North central, IA | Empirical data would be wonderful.
Empirical Data definition: "Data derived from reliable measurement or observation."
Do you have any?
CDC's recent recommendation that we wear two masks was of course a de facto admission that one doesn't work.
Now they suggest panty hose over your face. should we assume you're on board? https://www.cdc.gov/mmwr/volumes/70/wr/mm7007e1.htm?s_cid=mm7007e1_w
"....placing a sleeve made of sheer nylon hosiery material around the neck and pulling it up over either a cloth or medical procedure mask...." | |
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If Mayo says its works
