In recent updates, coronavirus remains infectious on surfaces. For example, banknotes, phone screens, and stainless steel for more than 14 days. Perhaps up to 28 days, as per the latest research. In the finding from Australia’s national science agency. Suggested that SARS-COV-2 can survive for far longer than originally perceived.
Additionally, in another experiment. UV light rays could potentially kill the virus. On the other hand, some experts throw doubt on the actual threat posed by surface transmission. Coronavirus is commonly transmitted when people cough, sneeze or talk. Although there is also evidence that shows its particles hang in the air. Moreover, it’s possible that someone could get COVID-19 by touching the surfaces for example metal, or plastic. However, it is much less common.
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When COVID-19 was previously tested in the laboratory. It was previously found out that SARS-COV-2 could survive for at least two to three days on glass, and other surface likes banknotes. It can last up to six-day on plastic and even on stainless steel.
An Australian agency CSIRO found the virus to be “extremely robust”. It can survive up to 28 days on a smooth surface for example glass and even on mobile phone screens. In comparison, the flu virus can survive only for 17 days.
In a study published in Virology Journal
SARS-COV-2 survives for a much lesser time in hotter temperature as compared to cold temperature. At around 40’c the infection stops within 24 hours.
Furthermore, It stays longer on a smooth surface as compared to porous material for example cloth.
Prof Ron Eccles, Former director of Common Cold Centre at Cardiff University criticized.
He shared a study and said that the updated on virus could survive for up to 28 days is unnecessary fear.
Additionally, virus spreads on the surface from mucus in cough and also by a sneeze. Sometimes dirty finger too! Fresh mucus is very much like a hostile environment for the coronavirus.
As of now, there is no confirmed case of COVID-19 transmitted through food – WHO says.
