Covid-19 virus survives 28 days on notes and phones

The covid-19 virus can survive 28 days on banknotes, phone screens and stainless steel, according to an investigation by the Australian scientific agency, which concluded that, contrary to what was supposed, the virus resists longer in some surfaces.

Experts assume that, in addition to being usually transmitted when people cough, sneeze and speak, the virus can also be spread by particles in the air or on surfaces such as metal and plastic.

Other laboratory studies conducted previously found that SARS-Cov-2 could survive between two to three days in banknotes and glass, and up to six days in plastic and stainless steel, although results vary.

However, the latest study by Australian agency CSIRO found that the virus is “extremely robust”, allowing it to survive 28 days on smooth surfaces, such as glass on mobile phones and on plastic and paper notes, when kept at 20 ° C, which represents the room temperature of a room.

This study shows that covid-19 is much more resistant than the flu virus, which can survive under the same conditions for 17 days.

The experiments were carried out with stable temperature and humidity and in the dark, since it is proven that ultraviolet light kills the virus. Favorable conditions, therefore, that the virus may not find in the real world.


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