Results for spread Subject Started by Replies Views A reminder why we have restrictions and wear a maskadmin1215434UK scientists begin study of how long Covid can survive in the air admin08852Coronavirus particles spread by talking can remain in the air for up to 14 minutadmin08615Black light experiment shows speed of spreadadmin08665Risk assessment and hygiene for reopening office or Clinicadmin1011503 Pages: 1 Powered by: SMF Tags