Pr Hyo JIck Choi explains about the Salt Virus Killer Mask


University of Alberta materials engineering professor, Hyo-Jick Choi, has come up with an innovative solution that turns the masks into virus killers. Existing masks and respirators may trap virus-laden droplets but the virus is still infectious on the mask. Choi took on the challenge of improving the masks, using a simple weapon: salt.


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