The survival of viruses on wooden surfaces is studied in a project started last summer by the universities of Eastern Finland and Jyväskylä.  The first tests would seem to indicate, among other things, that the contagiousness of coronaviruses decreases much more rapidly on a wooden surface than on other materials, such as plastics.  Paperboard and paper, too, appear to perform better than plastics against coronaviruses, though the viruses do survive longer on them than on wood.  “This shows that there are good grounds for not using paper money during a virus epidemic and ...