A universal virus-killer?

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Feb 21, 2024

Scientists explore using UV light as a virus-killer for airborne diseases, discussing efficacy, safety concerns, and potential impacts on air pollution. Historical research supports UV light's ability to sterilize air, prompting discussions on its ethical and practical use in various sectors.

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ANECDOTE

Wells' 1937 UV Experiment

In 1937, William and Mildred Wells tested UV light in classrooms during a measles epidemic.
Classrooms with UV had 14.5% infection versus 55.3% without, showing strong airborne disease kill rate.

INSIGHT

Airborne Spread Realized by COVID

COVID revealed many respiratory diseases spread via aerosols, not just by direct droplets.
This realization elevates the importance of air control in preventing infections.

INSIGHT

UV Light Kills by Mutating DNA

Ultraviolet light mutates DNA, effectively disabling viruses.
Viruses’ simple DNA structure makes them vulnerable to UV damage.

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