Results for spread Subject Started by Replies Views A reminder why we have restrictions and wear a maskadmin1216112UK scientists begin study of how long Covid can survive in the air admin09000Coronavirus particles spread by talking can remain in the air for up to 14 minutadmin08781Black light experiment shows speed of spreadadmin08802Risk assessment and hygiene for reopening office or Clinicadmin1011995 Pages: 1 Powered by: SMF Tags