Since January 2020, the SARS-CoV-2 virus and its related disease COVID-19 have killed more than 4 million people worldwide. During this epidemic, researchers at the University of Utah (United States) sought to understand the routes and mechanisms of transmission of the virus. If there is no doubt regarding the transmission of covid-19 by micro-droplets exhaled by some and inspired by others, it was fomite transmission that American researchers were interested in in a study published last February in the journal ACS publications.
Fomite transmission, for those who don’t spend their free time on wikipedia, is transmission via a contaminated object. In this case, a door handle, a computer keyboard, a smartphone… At the very beginning of the pandemic, Australian researchers demonstrated that the virus might survive for up to 28 days on surfaces. Since then, we no longer move around in our small bottle of hydroalcoholic gel, to be sure to avoid any contamination. But while several studies have pointed to common touch surfaces as a source of transmission that has led to outbreaks of covid-19, Utah academics suggest too much time was spent cleaning surfaces, compared to the risk involved.
“Large-scale epidemiological studies have now led public health experts to conclude that transmission…
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