Not as far as I’m aware. Anthrax is real life is an infection caused by bacteria, so arguably anthrax in real life is “alive” as well.
I didn’t really put much thought or research into how Anthrax in real life works for this mission. (though I kinda wish I did, it would have been fun to make the players have to use PPE or whatever)
I more just took the idea of Anthrax being sent though the mail (something that happened in real life) and went “what if the Anthrax turned people into zombies instead of killing them”.
Anyway, I’m glad you like my mission! Thanks for checking it out!