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Time Duration Coronavirus can Survive on Material Surfaces or in the Air Around Us... Featured

Written by  Mar 20, 2020

It was earlier misstated in many articles that the duration of time that the new coronavirus (Covid-19) can survive on cardboard. The survival duration is approx 24 hours and not 8 hours.

According to new research, Corona virus can survive for up to three days on some material surfaces, like plastics and steel objects. As per experts, the risk of consumers getting infected from touching these materials is still on a lower side, but they have offered additional warnings about the duration the virus can survive in the air, which may have important implications for medical workers.

The new study, also suggests that the virus disintegrates over the course of a day on cardboard, lessening the worry among consumers that deliveries will spread the virus during this period of staying and working from home.

When the virus becomes suspended in droplets smaller than 5 micrometers — known as aerosols — it can stay suspended for about a half-hour, researchers said, before drifting down and settling on surfaces where it can linger for hours. The finding on aerosol in particular is inconsistent with the World Health Organization’s position that the virus is not transported by air.



The virus lives longest on plastic and steel material, surviving for up to 72 hours. But the amount of viable virus decreases sharply over this time. It also does poorly on copper, surviving for four hours but on cardboard, it survives up to 24 hours, which suggests packages that arrive in the mail should have only low levels of the virus — unless the delivery person has coughed or sneezed on it or has handled it with contaminated hands.


That’s true in general. Unless the people who handle any of these materials are sick, the actual risk of getting infected from any of these materials is low.



If people are concerned about the risk, they could wipe down packages with disinfectant wipes and wash their hands.

It is unclear why cardboard should be a less hospitable environment for the virus than plastic or steel, but it may be explained by the absorbency or fibrous quality of the packaging compared with the other surfaces.

 

 

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