DescriptionWMD-biological.svg Yellow biohazard symbol on a red circle with a black border. Date 29 March 2006 (original upload date) Source No machine-readable
"Wikimedia Commons") using: Image:Radiation warning symbol.svg (PD-self) Image:WMD-biological.svg (CC-BY-SA/GFDL by User:Andux) Chemical symbol Vectorization:
Image:Radiation warning symbol.svg (PD-self) Image:WMD-biological.svg (CC-BY-SA/GFDL by User:Andux) Image:Skull and crossbones.svg (PD-self) This W3C-unspecified
Image:Radiation warning symbol.svg (PD-self) Image:WMD-biological.svg (CC-BY-SA/GFDL by User:Andux) Image:Skull and crossbones.svg (PD-self) This W3C-unspecified
internationally known. Created using: Image:Radiation warning symbol.svg (PD-self) Image:WMD-biological.svg (CC-BY-SA/GFDL by User:Andux) Chemical symbol drawn by Fastfission