"No single raindrop believes it is to blame for the flood."
Small talk (noun): insincere questions and dishonest answers.
Remove the 12 transmission cards from the deck and shuffle them, creating a separate transmission deck. Each player is dealt one transmission card. Shuffle the rest of the cards (mutation/vector deck) and deal six of those to each player.
After players are finished using and/or discarding cards in their hand, they either draw 1 card from the transmission deck or draw 5 or 6 cards from the mutation/vector deck up to a hand of 6.