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Our findings show that SARS-CoV-2 can remain infectious on surfaces for long periods of time.
Australian scientists have found that the SARS-CoV-2 coronavirus that causes Covid-19 infection, can to survive up to 28 days on common surfaces, such as glass Cellular and stainless steel screens.
the researchers from the National Research Center CSIRO, who made the relevant publication in the virology journal found that the coronavirus survives more in lower temperature conditions, as well as on non-porous or very smooth surfaces (in relation to porous and irregular surfaces such as cotton, where it retains less). It also lasts longer in paper bills than in plastic bills.
Our findings show that SARS-CoV-2 can remain infectious on surfaces for long periods of time“which reinforces the need for good practices like regular hand washing and surface cleaning,” said Dr Debbie Eagles, deputy director of the Australian Centers for Disease Control (ACDP) at CSIRO.
“At a temperature of 20 degrees Celsius, which is roughly room temperature, we found the virus to be extremely resistant, surviving for 28 days on smooth surfaces, such as glass on mobile phone screens. “Comparatively similar experiments with influenza A virus have found that it survives on surfaces for up to 17 days, showing how much more resistant SARS-CoV-2 is,” he added.
Experiments at temperatures of 30 and 40 degrees Celsius have shown that the higher the temperature, the shorter the survival time of the coronavirus. According to Australian scientists, the amount of coronavirus required (i.e. infectious dose) to transmit Covid-19 infection from an infected surface remains under investigation.
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