Ricin, botulinum toxin, etc.

Botulinum toxin generally grows in anoxic environment and has extremely high activity in many harsh environments. Botulinum toxin will secrete a large amount of toxin during the reproduction process. This toxin is very deadly. Contamination can damage the nervous system and in the most serious cases, lead to death. But on the other hand, people will also make Botox into medicines, and it is even a very good anti-wrinkle remedy in the beauty industry.