A New Study Found that Coronavirus can Live in the Air For Three Hours


A new study suggests that the novel coronavirus (COVID-19) can remain in the air for up to three hours, and live on surfaces for up to three days. The virus can also remain on copper surfaces for four hours and on cardboard for up to 24 hours. The research found it could stay on stainless steel and plastic for anywhere between two to three days, this research was published in the medRxiv depository.


"Our results indicate that aerosol and fomite transmission of HCov-19 is plausible, as the virus can remain viable in aerosols for multiple hours and on surfaces up to days," the researchers wrote in the study, which has not yet been peer-reviewed.

If COVID-19 is similar to other coronaviruses, such as SARS and MERS, it could live on surfaces for up to nine days. By comparison, the flu virus can only live on surfaces for approximately 48 hours. This study suggested that coronaviruses could be "efficiently inactivated" with disinfectants that contain 62-71 percent ethanol,0.5 percent hydrogen peroxide or 0.1 percent sodium hypochlorite within a minute. Somehow other agents that contain 0.05-0.2 percent benzalkonium chloride or 0.02 percent chlorhexidine digluconate are less effective.


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