The Centers for Disease Control and Prevention last week updated its guidance on coronavirus-related face masks to include protection for the wearer also.
The CDC had previously encouraged mask use to prevent spreading the coronavirus to others from those who were infected. However, many wore a mask assuming it would protect them from getting the disease, and now the new guidance from the CDC confirms that.
“Studies demonstrate that cloth mask materials can also reduce wearers’ exposure to infectious droplets through filtration, including filtration of fine droplets and particles less than 10 microns,” said the CDC in the updated guidance.
Additionally, the guidance said multiple layers of cloth with higher thread counts have demonstrated superior performance compared to single layers of cloth with lower thread counts, in some cases filtering nearly 50% of fine particles less than 1 micron.
In conclusion, the CDC said experimental and epidemiological data support community masking to reduce the spread of SARS-CoV-2.
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