File:Biohazard symbol (red).svgDescriptionBiohazard symbol (red).svg Description: The symbol for biohazard substances (without the black-yellow triangle.) Source: old version of Image:Biohazard
File:BiohazardSymbolJapanWasteLiquid.PNGFile:Biohazard symbol (red).svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:BiohazardSymbolJapanWasteLiquid
File:Uwaga-wulgarne.giflanguage) sign for Polish users Source: edited version of Image:Biohazard symbol (red).svg Author: Pundit Date 4 February 2007 (original upload date) Source
File:OuroborosBiohazard.pngDescriptionOuroborosBiohazard.png Galego: Ouroboros + Símbolo de perigo biolóxico en negro e vermello English: Ouroboros + biohazard symbol in black and red Date 22
File:WMD-biological.svgDescriptionWMD-biological.svg Yellow biohazard symbol on a red circle with a black border. Date 29 March 2006 (original upload date) Source No machine-readable