New coronavirus can stay in the air for hours, on outside for days


The highly contagious new coronavirus, which has broken out in global outbreaks, can remain viable and infectious for hours and levels in airborne drops, according to a new study, which guides people to avoid a respiratory disease called COVID. You should file. -19

Scientists at the National Institute of Allergy and epidemic virus (NIAID), piece of the US National Institutes of Health. In the US, they have replicated the virus daily in a home or hospital.

I have tried, like coughing or touching items.

They used a device to deliver aerosols that replicated microscopic drops born by coughing or sneezing.

Scientists then investigated how long the virus remained infected at those levels, according to a study published online in the New England Journal of Medicine on Tuesday, the day of the U.S. study of 5,200 in cod. 19 The rate went up, and the deaths reached 100.

Tests show that when someone coughs or sneezes, the virus is transported through the drops, stays in the spray for at least three hours, or even manages to infect people. It is.

coronavirus In plastic and stainless steel, viable virus detection can be found after three days. In the cardboard, the virus was not viable even after 24 hours. In copper, it took 4 hours for the virus to become inactive.

In the case of half-life, the research team found that half of the virus’s particles take approximately 66 66 minutes to lose their function if they are in aerosol drops.

This means that after an additional hour and six minutes, three-fourths of the virus particles will become inactive, but 25% will still be viable.

According to an investigation by Nilje van Durmelin at NIAID’s Montana facility at Rocky Mountain Laboratories, the number of viruses operating at the end of the third hour will be 12.5pc.

In stainless steel, half of the virus particles take 5 hours 38 minutes to become inactive. In plastic, half of life is 6 hours 49 minutes, the researchers found.

In cardboard, the half-life was about three and a half hours, but the researchers say the results vary widely “so we recommend caution” in translating that number.

The shortest time to survive was with copper, where half of the virus was deactivated in 46 minutes.


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New coronavirus can stay in the air for hours, on outside for days

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