COVID -19 is estimated to be between 120 and 140 nanometers in size. That is between the size of the common cold virus and the Epstein-Barr virus. Polio is one of the smaller viruses coming in at 30 nanometers.
An N-95 mask stops 95% of the particles 0.3 microns and larger from passing. 0.3 microns is the same as 300 nanometers.
There is enough room in an N-95 mask hole for two fat COVID virus particles to pass side by side through the hole and almost have room to bring along a polio buddy. That is what an N-95 mask does for you.
COVID -19 is estimated to be between 120 and 140 nanometers in size. That is between the size of the common cold virus and the Epstein-Barr virus. Polio is one of the smaller viruses coming in at 30 nanometers.
An N-95 mask stops 95% of the particles 0.3 microns and larger from passing. 0.3 microns is the same as 300 nanometers.
There is enough room in an N-95 mask hole for two fat COVID virus particles to pass side by side through the hole and almost have room to bring along a polio buddy. That is what an N-95 mask does for you.
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