Does the SARS-COV2 survive on surfaces

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The new England Journal of Medicine on March 17 conclude that “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 100.6TCID50 per milliliter after 48 hours on stainless steel).”  https://www.nejm.org/doi/10.1056/NEJMc2004973. The For comparison the flu virus only survives 48 hours.