Discover and read the best of Twitter Threads about #doublemasking

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1/ Q: What’s up with the new @CDCgov #mask study?

A: Good news, #doublemasking or tightening up ear loops works!
2/ Remember the key features of effective masking: #FILTERING & #FIT.

The @CDCgov released a new experimental study testing ways to improve mask fit for cloth & medical masks to reduce leakage around the edges. cdc.gov/mmwr/volumes/7…
3/ Using mannequin “headforms” & simulated #coughing they tested:

1️⃣ #Cloth #mask over a medical mask (double masking)
2️⃣ #Medical #mask with knotted ear loops & tucked in sides
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