Results for spread Subject Started by Replies Views A reminder why we have restrictions and wear a maskadmin1215466UK scientists begin study of how long Covid can survive in the air admin08859Coronavirus particles spread by talking can remain in the air for up to 14 minutadmin08626Black light experiment shows speed of spreadadmin08673Risk assessment and hygiene for reopening office or Clinicadmin1011534 Pages: 1 Powered by: SMF Tags