Ricin is a toxin derived from the castor bean. It can be spread in aerosol or liquid form. It causes blood poisoning and leads to the collapse of the circulatory system and a slow death.
Citing this page:
Generalic, Eni. "Ricin." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.