The virus has a shorter survival time on cardboard than on plastic

The virus has a shorter survival time on cardboard than on plastic

Recently, the National Institutes of health, Princeton University and UCLA led a new study to find out how long the new coronavirus can survive in the external environment after leaving the human body.
In this study, the researchers used the spray device to simulate the coughing and sneezing of the infected person and put the new crown virus sample into the air. The results showed that the new coronavirus could survive for 3 hours in the air, 4 hours on the copper surface, 24 hours on the cardboard surface, and 2 to 3 days on the plastic and stainless steel surfaces.
When scientists drop the new coronavirus on the plastic surface, they find that about 50% of the virus died after 7 hours, and half of the remaining virus died after 7 hours. By the end of the second day, the total amount of the remaining virus is less than 1%, and the remaining virus can hardly be detected after 3 days.
For stainless steel surfaces, the half-life of the new coronavirus is 5-6 hours, while for cardboard, the half-life is shorter: less than 4 hours.
Copper has a strong antibacterial property. When the new coronavirus drops on the copper surface, half of the virus will die within 45 minutes.
Dylan h. Morris, a researcher at the University of psonston and co-author of the study, said: ‘so it’s important to know how many viruses are in the first place, the more viruses are deposited on the surface of the object, and when half of the viruses die, the more are left.
The researchers found that the new crown virus was the most stable on plastic and stainless steel, and could survive for up to 72 hours, even though the concentration of the virus had been greatly reduced after three days. Compared with plastics, viruses live on cardboard for a shorter time, so they are less risky for consumers than cardboard.

 

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Post time: Mar-27-2020

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