"There is now growing evidence that contaminated fomites or surfaces play a key role in the spread of viral infections"

Environmental scientists at University of Arizona say: "For centuries it was assumed that infectious diseases were spread primarily by the airborne route or through direct patient contact, and the surrounding environment played little or no role in disease transmission... There is now growing evidence that contaminated fomites or surfaces play a key role in the spread of viral infections"

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1828811/