How long Covid-19 lasts on surfaces
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SARS-Cov-2, the virus responsible for Covid-19, can remain infectious on surfaces such as banknotes and phone screens for up to 28 days, researchers at Australia’s national science agency have found
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EFFECT OF TEMPERATURE ON PERSISTENCE OF SARS-COV-2

40oC  Days detectable  2 days
Stainless steel  
Polymer banknote
Paper banknote 
Glass 
Vinyl
Cotton cloth 
1 day
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30oC   7 days 
Stainless steel
Polymer banknote 
Paper banknote 
Glass 
Vinyl 
Cotton cloth
3 days
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20oC   28 days
Stainless steel 
Polymer banknote 
Paper banknote 
Glass 
Vinyl 
Cotton cloth
14 days
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Results obtained under laboratory conditions with no exposure to ultraviolet light and humidity kept steady at 50 percent
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Primary form of transmission remains through air particles
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Sources: Australian National Science Agency (CSIRO), Virology Journal
Picture: AP
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