The masks could screen for the coronavirus at airports, hospitals, and offices. They could also double as a diagnostic test.
Sensors produce a fluorescent light when an infected person breathes, coughs, or sneezes into the mask.
The masks could screen for the coronavirus at airports, hospitals, and offices. They could also double as a diagnostic test.
Sensors produce a fluorescent light when an infected person breathes, coughs, or sneezes into the mask.
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