Printed signs to caution against handshaking during the Covid-19 world pandemic; Edmonton, Alberta, Canada

horizontal protection isolation color colour global close up warning sign handshake risk caution distance safety illness sickness universal transmission disease medical intervention signage healthcare separation signs motto spread printed prevention printer printing emergency behaviour virus crisis pandemic world wide pictogram mandate nobody indoors health pictograms inside infectious color image outbreak infectious disease handshaking colour image no one no people viral initiative quarantine pathogen contagion contagious disease contagious disconnection public health 2019 coronavirus covid19 covid 19 novel coronavirus coronaviridae world pandemic submicroscopic infectious agent novel disease 2019 ncov acute respiratory disease novel coronavirus pneumonia wuhan pneumonia coronavirus disease 2019 public health emergency social distance social distancing physical distance physical distancing disease transmission distancing wuhan coronavirus severe acute respiratory syndrome coronavirus 2 2019 20 coronavirus pandemic public health emergency of international concern social isolation refrain let's do our part hot off the press