The World Health Organization and national public-health agencies need to clarify their advice. A year into the pandemic, the evidence is now clear. The coronavirus SARS-CoV-2 is transmitted predominantly through the air — by people talking and breathing out large droplets and small particles called aerosols. Catching the virus from surfaces — although plausible — seems to be rare
Recent publications in Nature ad the Lancet are clear that whilst attention to surfaces and cleaning is important the primary rout of transmission is through air via aerosols.
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