Fig. 3From: Maintenance of influenza virus infectivity on the surfaces of personal protective equipment and clothing used in healthcare settingsThe value of 50% tissue culture infective dose (TCID 50 ) of influenza virus recovered from various surfaces after 0, 1, 8, and 24 h exposure. The detection limit of the TCID50 assay was determined to be 0.8 log10 TCID50/mLBack to article page