Bacteria from respiratory droplets: mask vs. no mask
submitted 3 years ago by Humpty from (imgur.com)
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[–]Tom9152 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 3 years ago (0 children)
Now put the dish on your shoulder, with and without masks.
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[–]Tom9152 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - (0 children)