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Our data consisted of 10 experimental conditions involving two viruses (SARS-CoV-2 and SARS-CoV-1) in five environmental conditions (aerosols, plastic, stainless steel, copper, and cardboard). All experimental measurements are reported as means across three replicates. SARS-CoV-2 [coronavirus] remained viable in aerosols throughout the duration of our experiment (3 hours) … SARS-CoV-2 was more stable on plastic and stainless steel than on copper and cardboard, and viable virus was detected up to 72 hours after application to these surfaces (Figure 1A), although the virus titer was greatly reduced (from 103.7 to 100.6 TCID50 per milliliter of medium after 72 hours on plastic and from 103.7 to 100.6 TCID50 per milliliter after 48 hours on stainless steel).
I've started carrying a glove from the car, with which to open doors when I'm out and about (which isn't that often).Many supermarkets, the local Walmart, etc. have "hands free" doors that open automatically, but most places still don't.