Definition of "biological weapon" []

• A biological pathogen or toxin designed or used for warfare. (noun)

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• "My guess is that someone is trying to duplicate the process that turned Danny Farrell into the ‘Typhoid Mary’ of promicin, creating a living biological weapon capable of spreading the fifty/fifty effect everywhere he goes."
• "A reliable source, who just happens to be our own remarkable Maia Skouris, informs me that Ryland is trying to force Tyler to falsely testify that I’m developing promicin into some sort of biological weapon of mass destruction."