a biological hazard, or biohazard with pathogenic bacteria scattered

biohazard tetani clostridium symbol spore forming bacteria bacilli botulinum botulism btx structure pathogen anatomy neurotoxin microbe scattered toxin cells bioweapon hazard bioterrorism 3d microorganism motile particles bacterial infection germs living contaminants spoiled products poison toxic preservation biosecurity rendering microscopic biology epidemic surface microbiology science disease medical dangerous venom organism