1. (not really sure if this counts as an EAS scenario channel) SCP Realized made two things related to this post: "You must punch sharks" (was a prank in the SCP Realized world, but it was kinda hilarious) and "avoid all plastic flamingos" (they may become animated and evil and kill you)
2. One I thought of was that you must drink VINEGAR or eat food with a large amount of vinegar in it to survive, since a parasite was spreading that had no cure, but the only way to prevent it was vinegar due to its low Ph