QT:{{”
When the scientists placed virus-laden droplets on plastic, they found that half of the virus was gone after about seven hours. Half of what remained was gone after another seven hours, and so on. By the end of Day Two, there was less than 1/100 of the original amount, and after three days the remnants were barely detectable.
…
For stainless steel, the half-life for the virus was five or six hours, and for cardboard it was even shorter: less than four hours. “}}
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